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Finding the Fourth Proportional to 431,593.72, 595,585.68 and 238,009.60

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Solution

The fourth proportional to 431,593.72, 595,585.68 and 238,009.60 is: 328,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,593.72 : 595,585.68 = 238,009.60 : x
  2. Step 2: Convert to fraction form
    431,593.72/595,585.68 = 238,009.60/x
  3. Step 3: Cross multiply
    431,593.72x = 595,585.68 × 238,009.60
  4. Step 4: Simplify right side
    431,593.72x = 141,755,106,484.60
  5. Step 5: Solve for x
    x = 141,755,106,484.60/431,593.72
  6. Step 6: Final answer
    x = 328,445.72

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1.5x scale

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.