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Finding the Fourth Proportional to 424,187.90, 585,184.24 and 375,838.80

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Solution

The fourth proportional to 424,187.90, 585,184.24 and 375,838.80 is: 518,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,187.90 : 585,184.24 = 375,838.80 : x
  2. Step 2: Convert to fraction form
    424,187.90/585,184.24 = 375,838.80/x
  3. Step 3: Cross multiply
    424,187.90x = 585,184.24 × 375,838.80
  4. Step 4: Simplify right side
    424,187.90x = 219,934,942,540.51
  5. Step 5: Solve for x
    x = 219,934,942,540.51/424,187.90
  6. Step 6: Final answer
    x = 518,484.72

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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.