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Finding the Fourth Proportional to 424,115.76, 585,084.69 and 375,767.00

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Solution

The fourth proportional to 424,115.76, 585,084.69 and 375,767.00 is: 518,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,115.76 : 585,084.69 = 375,767.00 : x
  2. Step 2: Convert to fraction form
    424,115.76/585,084.69 = 375,767.00/x
  3. Step 3: Cross multiply
    424,115.76x = 585,084.69 × 375,767.00
  4. Step 4: Simplify right side
    424,115.76x = 219,855,517,975.87
  5. Step 5: Solve for x
    x = 219,855,517,975.87/424,115.76
  6. Step 6: Final answer
    x = 518,385.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.