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Finding the Fourth Proportional to 585,301.60, 876,008.40 and 424,921.60

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Solution

The fourth proportional to 585,301.60, 876,008.40 and 424,921.60 is: 635,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,301.60 : 876,008.40 = 424,921.60 : x
  2. Step 2: Convert to fraction form
    585,301.60/876,008.40 = 424,921.60/x
  3. Step 3: Cross multiply
    585,301.60x = 876,008.40 × 424,921.60
  4. Step 4: Simplify right side
    585,301.60x = 372,234,890,941.44
  5. Step 5: Solve for x
    x = 372,234,890,941.44/585,301.60
  6. Step 6: Final answer
    x = 635,971.08

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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.