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Finding the Fourth Proportional to 376,044.80, 564,988.80 and 282,732.80

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Solution

The fourth proportional to 376,044.80, 564,988.80 and 282,732.80 is: 424,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,044.80 : 564,988.80 = 282,732.80 : x
  2. Step 2: Convert to fraction form
    376,044.80/564,988.80 = 282,732.80/x
  3. Step 3: Cross multiply
    376,044.80x = 564,988.80 × 282,732.80
  4. Step 4: Simplify right side
    376,044.80x = 159,740,865,392.64
  5. Step 5: Solve for x
    x = 159,740,865,392.64/376,044.80
  6. Step 6: Final answer
    x = 424,792.11

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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.