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Finding the Fourth Proportional to 637,891.71, 956,864.28 and 238,492.05

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Solution

The fourth proportional to 637,891.71, 956,864.28 and 238,492.05 is: 357,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,891.71 : 956,864.28 = 238,492.05 : x
  2. Step 2: Convert to fraction form
    637,891.71/956,864.28 = 238,492.05/x
  3. Step 3: Cross multiply
    637,891.71x = 956,864.28 × 238,492.05
  4. Step 4: Simplify right side
    637,891.71x = 228,204,523,708.97
  5. Step 5: Solve for x
    x = 228,204,523,708.97/637,891.71
  6. Step 6: Final answer
    x = 357,748.06

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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.