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Finding the Fourth Proportional to 553,295.91, 763,901.52 and 451,564.41

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Solution

The fourth proportional to 553,295.91, 763,901.52 and 451,564.41 is: 623,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,295.91 : 763,901.52 = 451,564.41 : x
  2. Step 2: Convert to fraction form
    553,295.91/763,901.52 = 451,564.41/x
  3. Step 3: Cross multiply
    553,295.91x = 763,901.52 × 451,564.41
  4. Step 4: Simplify right side
    553,295.91x = 344,950,739,176.90
  5. Step 5: Solve for x
    x = 344,950,739,176.90/553,295.91
  6. Step 6: Final answer
    x = 623,447.12

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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.