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Finding the Fourth Proportional to 514,374.72, 771,280.18 and 159,290.16

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Solution

The fourth proportional to 514,374.72, 771,280.18 and 159,290.16 is: 238,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,374.72 : 771,280.18 = 159,290.16 : x
  2. Step 2: Convert to fraction form
    514,374.72/771,280.18 = 159,290.16/x
  3. Step 3: Cross multiply
    514,374.72x = 771,280.18 × 159,290.16
  4. Step 4: Simplify right side
    514,374.72x = 122,857,343,277.03
  5. Step 5: Solve for x
    x = 122,857,343,277.03/514,374.72
  6. Step 6: Final answer
    x = 238,847.94

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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.