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Finding the Fourth Proportional to 566,445.92, 781,603.88 and 324,684

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Solution

The fourth proportional to 566,445.92, 781,603.88 and 324,684 is: 448,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,445.92 : 781,603.88 = 324,684 : x
  2. Step 2: Convert to fraction form
    566,445.92/781,603.88 = 324,684/x
  3. Step 3: Cross multiply
    566,445.92x = 781,603.88 × 324,684
  4. Step 4: Simplify right side
    566,445.92x = 253,774,272,550.50
  5. Step 5: Solve for x
    x = 253,774,272,550.50/566,445.92
  6. Step 6: Final answer
    x = 448,011.48

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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.