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Finding the Fourth Proportional to 524,552.52, 783,842.52 and 393,869.28

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Solution

The fourth proportional to 524,552.52, 783,842.52 and 393,869.28 is: 588,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,552.52 : 783,842.52 = 393,869.28 : x
  2. Step 2: Convert to fraction form
    524,552.52/783,842.52 = 393,869.28/x
  3. Step 3: Cross multiply
    524,552.52x = 783,842.52 × 393,869.28
  4. Step 4: Simplify right side
    524,552.52x = 308,731,488,985.79
  5. Step 5: Solve for x
    x = 308,731,488,985.79/524,552.52
  6. Step 6: Final answer
    x = 588,561.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.