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Finding the Fourth Proportional to 514,373.72, 771,278.68 and 159,289.16

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Solution

The fourth proportional to 514,373.72, 771,278.68 and 159,289.16 is: 238,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,373.72 : 771,278.68 = 159,289.16 : x
  2. Step 2: Convert to fraction form
    514,373.72/771,278.68 = 159,289.16/x
  3. Step 3: Cross multiply
    514,373.72x = 771,278.68 × 159,289.16
  4. Step 4: Simplify right side
    514,373.72x = 122,856,333,063.11
  5. Step 5: Solve for x
    x = 122,856,333,063.11/514,373.72
  6. Step 6: Final answer
    x = 238,846.44

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1.5x scale

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.