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Finding the Fourth Proportional to 659,475.76, 910,040.52 and 373,053.28

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Solution

The fourth proportional to 659,475.76, 910,040.52 and 373,053.28 is: 514,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,475.76 : 910,040.52 = 373,053.28 : x
  2. Step 2: Convert to fraction form
    659,475.76/910,040.52 = 373,053.28/x
  3. Step 3: Cross multiply
    659,475.76x = 910,040.52 × 373,053.28
  4. Step 4: Simplify right side
    659,475.76x = 339,493,600,918.91
  5. Step 5: Solve for x
    x = 339,493,600,918.91/659,475.76
  6. Step 6: Final answer
    x = 514,793.15

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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.