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Finding the Fourth Proportional to 367,484.16, 551,220.48 and 209,376

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Solution

The fourth proportional to 367,484.16, 551,220.48 and 209,376 is: 314,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,484.16 : 551,220.48 = 209,376 : x
  2. Step 2: Convert to fraction form
    367,484.16/551,220.48 = 209,376/x
  3. Step 3: Cross multiply
    367,484.16x = 551,220.48 × 209,376
  4. Step 4: Simplify right side
    367,484.16x = 115,412,339,220.48
  5. Step 5: Solve for x
    x = 115,412,339,220.48/367,484.16
  6. Step 6: Final answer
    x = 314,060.72

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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.