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Finding the Fourth Proportional to 555,468.80, 833,203.20 and 342,892.40

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Solution

The fourth proportional to 555,468.80, 833,203.20 and 342,892.40 is: 514,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,468.80 : 833,203.20 = 342,892.40 : x
  2. Step 2: Convert to fraction form
    555,468.80/833,203.20 = 342,892.40/x
  3. Step 3: Cross multiply
    555,468.80x = 833,203.20 × 342,892.40
  4. Step 4: Simplify right side
    555,468.80x = 285,699,044,935.68
  5. Step 5: Solve for x
    x = 285,699,044,935.68/555,468.80
  6. Step 6: Final answer
    x = 514,338.60

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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.