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Finding the Fourth Proportional to 467,862.60, 701,793.90 and 438,338.10

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Solution

The fourth proportional to 467,862.60, 701,793.90 and 438,338.10 is: 657,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,862.60 : 701,793.90 = 438,338.10 : x
  2. Step 2: Convert to fraction form
    467,862.60/701,793.90 = 438,338.10/x
  3. Step 3: Cross multiply
    467,862.60x = 701,793.90 × 438,338.10
  4. Step 4: Simplify right side
    467,862.60x = 307,623,004,717.59
  5. Step 5: Solve for x
    x = 307,623,004,717.59/467,862.60
  6. Step 6: Final answer
    x = 657,507.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.