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Finding the Fourth Proportional to 572,476.54, 862,829.70 and 493,468.12

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Solution

The fourth proportional to 572,476.54, 862,829.70 and 493,468.12 is: 743,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,476.54 : 862,829.70 = 493,468.12 : x
  2. Step 2: Convert to fraction form
    572,476.54/862,829.70 = 493,468.12/x
  3. Step 3: Cross multiply
    572,476.54x = 862,829.70 × 493,468.12
  4. Step 4: Simplify right side
    572,476.54x = 425,778,949,939.16
  5. Step 5: Solve for x
    x = 425,778,949,939.16/572,476.54
  6. Step 6: Final answer
    x = 743,749.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.