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Finding the Fourth Proportional to 637,708.76, 956,231 and 238,020.84

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Solution

The fourth proportional to 637,708.76, 956,231 and 238,020.84 is: 356,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,708.76 : 956,231 = 238,020.84 : x
  2. Step 2: Convert to fraction form
    637,708.76/956,231 = 238,020.84/x
  3. Step 3: Cross multiply
    637,708.76x = 956,231 × 238,020.84
  4. Step 4: Simplify right side
    637,708.76x = 227,602,905,854.04
  5. Step 5: Solve for x
    x = 227,602,905,854.04/637,708.76
  6. Step 6: Final answer
    x = 356,907.29

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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.