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Finding the Fourth Proportional to 349,114.70, 523,672.05 and 207,397.10

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Solution

The fourth proportional to 349,114.70, 523,672.05 and 207,397.10 is: 311,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,114.70 : 523,672.05 = 207,397.10 : x
  2. Step 2: Convert to fraction form
    349,114.70/523,672.05 = 207,397.10/x
  3. Step 3: Cross multiply
    349,114.70x = 523,672.05 × 207,397.10
  4. Step 4: Simplify right side
    349,114.70x = 108,608,064,521.06
  5. Step 5: Solve for x
    x = 108,608,064,521.06/349,114.70
  6. Step 6: Final answer
    x = 311,095.65

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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.