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Finding the Fourth Proportional to 431,061.30, 646,883.55 and 241,521.30

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Solution

The fourth proportional to 431,061.30, 646,883.55 and 241,521.30 is: 362,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,061.30 : 646,883.55 = 241,521.30 : x
  2. Step 2: Convert to fraction form
    431,061.30/646,883.55 = 241,521.30/x
  3. Step 3: Cross multiply
    431,061.30x = 646,883.55 × 241,521.30
  4. Step 4: Simplify right side
    431,061.30x = 156,236,155,944.62
  5. Step 5: Solve for x
    x = 156,236,155,944.62/431,061.30
  6. Step 6: Final answer
    x = 362,445.33

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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.