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Finding the Fourth Proportional to 671,341.44, 926,741.44 and 480,022.40

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Solution

The fourth proportional to 671,341.44, 926,741.44 and 480,022.40 is: 662,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,341.44 : 926,741.44 = 480,022.40 : x
  2. Step 2: Convert to fraction form
    671,341.44/926,741.44 = 480,022.40/x
  3. Step 3: Cross multiply
    671,341.44x = 926,741.44 × 480,022.40
  4. Step 4: Simplify right side
    671,341.44x = 444,856,650,208.26
  5. Step 5: Solve for x
    x = 444,856,650,208.26/671,341.44
  6. Step 6: Final answer
    x = 662,638.45

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Half scale
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Double scale
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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.