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Finding the Fourth Proportional to 564,009.70, 846,014.55 and 480,028.90

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Solution

The fourth proportional to 564,009.70, 846,014.55 and 480,028.90 is: 720,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,009.70 : 846,014.55 = 480,028.90 : x
  2. Step 2: Convert to fraction form
    564,009.70/846,014.55 = 480,028.90/x
  3. Step 3: Cross multiply
    564,009.70x = 846,014.55 × 480,028.90
  4. Step 4: Simplify right side
    564,009.70x = 406,111,433,820.50
  5. Step 5: Solve for x
    x = 406,111,433,820.50/564,009.70
  6. Step 6: Final answer
    x = 720,043.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.