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Finding the Fourth Proportional to 585,300.60, 876,006.90 and 424,920.60

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Solution

The fourth proportional to 585,300.60, 876,006.90 and 424,920.60 is: 635,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,300.60 : 876,006.90 = 424,920.60 : x
  2. Step 2: Convert to fraction form
    585,300.60/876,006.90 = 424,920.60/x
  3. Step 3: Cross multiply
    585,300.60x = 876,006.90 × 424,920.60
  4. Step 4: Simplify right side
    585,300.60x = 372,233,377,552.14
  5. Step 5: Solve for x
    x = 372,233,377,552.14/585,300.60
  6. Step 6: Final answer
    x = 635,969.58

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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.