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Finding the Fourth Proportional to 657,700.96, 986,551.92 and 159,065.44

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Solution

The fourth proportional to 657,700.96, 986,551.92 and 159,065.44 is: 238,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,700.96 : 986,551.92 = 159,065.44 : x
  2. Step 2: Convert to fraction form
    657,700.96/986,551.92 = 159,065.44/x
  3. Step 3: Cross multiply
    657,700.96x = 986,551.92 × 159,065.44
  4. Step 4: Simplify right side
    657,700.96x = 156,926,315,237.65
  5. Step 5: Solve for x
    x = 156,926,315,237.65/657,700.96
  6. Step 6: Final answer
    x = 238,598.28

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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.