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Finding the Fourth Proportional to 633,044.61, 873,461.90 and 374,793.32

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Solution

The fourth proportional to 633,044.61, 873,461.90 and 374,793.32 is: 517,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,044.61 : 873,461.90 = 374,793.32 : x
  2. Step 2: Convert to fraction form
    633,044.61/873,461.90 = 374,793.32/x
  3. Step 3: Cross multiply
    633,044.61x = 873,461.90 × 374,793.32
  4. Step 4: Simplify right side
    633,044.61x = 327,367,688,515.15
  5. Step 5: Solve for x
    x = 327,367,688,515.15/633,044.61
  6. Step 6: Final answer
    x = 517,132.10

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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.