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Finding the Fourth Proportional to 868,437.64, 1,302,693 and 237,349.72

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Solution

The fourth proportional to 868,437.64, 1,302,693 and 237,349.72 is: 356,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,437.64 : 1,302,693 = 237,349.72 : x
  2. Step 2: Convert to fraction form
    868,437.64/1,302,693 = 237,349.72/x
  3. Step 3: Cross multiply
    868,437.64x = 1,302,693 × 237,349.72
  4. Step 4: Simplify right side
    868,437.64x = 309,193,818,795.96
  5. Step 5: Solve for x
    x = 309,193,818,795.96/868,437.64
  6. Step 6: Final answer
    x = 356,034.57

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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.