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Finding the Fourth Proportional to 673,015.51, 928,764.29 and 367,098.45

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Solution

The fourth proportional to 673,015.51, 928,764.29 and 367,098.45 is: 506,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,015.51 : 928,764.29 = 367,098.45 : x
  2. Step 2: Convert to fraction form
    673,015.51/928,764.29 = 367,098.45/x
  3. Step 3: Cross multiply
    673,015.51x = 928,764.29 × 367,098.45
  4. Step 4: Simplify right side
    673,015.51x = 340,947,931,274.35
  5. Step 5: Solve for x
    x = 340,947,931,274.35/673,015.51
  6. Step 6: Final answer
    x = 506,597.44

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.