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Finding the Fourth Proportional to 658,596.64, 908,854.80 and 372,111.52

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Solution

The fourth proportional to 658,596.64, 908,854.80 and 372,111.52 is: 513,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,596.64 : 908,854.80 = 372,111.52 : x
  2. Step 2: Convert to fraction form
    658,596.64/908,854.80 = 372,111.52/x
  3. Step 3: Cross multiply
    658,596.64x = 908,854.80 × 372,111.52
  4. Step 4: Simplify right side
    658,596.64x = 338,195,341,087.30
  5. Step 5: Solve for x
    x = 338,195,341,087.30/658,596.64
  6. Step 6: Final answer
    x = 513,509.06

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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.