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Finding the Fourth Proportional to 707,041.55, 975,737.85 and 384,772.43

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Solution

The fourth proportional to 707,041.55, 975,737.85 and 384,772.43 is: 530,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,041.55 : 975,737.85 = 384,772.43 : x
  2. Step 2: Convert to fraction form
    707,041.55/975,737.85 = 384,772.43/x
  3. Step 3: Cross multiply
    707,041.55x = 975,737.85 × 384,772.43
  4. Step 4: Simplify right side
    707,041.55x = 375,437,023,587.48
  5. Step 5: Solve for x
    x = 375,437,023,587.48/707,041.55
  6. Step 6: Final answer
    x = 530,997.12

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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.