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Finding the Fourth Proportional to 658,595.64, 908,853.42 and 372,110.52

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Solution

The fourth proportional to 658,595.64, 908,853.42 and 372,110.52 is: 513,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,595.64 : 908,853.42 = 372,110.52 : x
  2. Step 2: Convert to fraction form
    658,595.64/908,853.42 = 372,110.52/x
  3. Step 3: Cross multiply
    658,595.64x = 908,853.42 × 372,110.52
  4. Step 4: Simplify right side
    658,595.64x = 338,193,918,719.98
  5. Step 5: Solve for x
    x = 338,193,918,719.98/658,595.64
  6. Step 6: Final answer
    x = 513,507.68

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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.