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Finding the Fourth Proportional to 724,377.79, 999,645.22 and 452,603.30

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Solution

The fourth proportional to 724,377.79, 999,645.22 and 452,603.30 is: 624,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,377.79 : 999,645.22 = 452,603.30 : x
  2. Step 2: Convert to fraction form
    724,377.79/999,645.22 = 452,603.30/x
  3. Step 3: Cross multiply
    724,377.79x = 999,645.22 × 452,603.30
  4. Step 4: Simplify right side
    724,377.79x = 452,442,718,422.86
  5. Step 5: Solve for x
    x = 452,442,718,422.86/724,377.79
  6. Step 6: Final answer
    x = 624,594.97

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1.5x scale

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.