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Finding the Fourth Proportional to 431,591.72, 595,582.93 and 238,007.59

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Solution

The fourth proportional to 431,591.72, 595,582.93 and 238,007.59 is: 328,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,591.72 : 595,582.93 = 238,007.59 : x
  2. Step 2: Convert to fraction form
    431,591.72/595,582.93 = 238,007.59/x
  3. Step 3: Cross multiply
    431,591.72x = 595,582.93 × 238,007.59
  4. Step 4: Simplify right side
    431,591.72x = 141,753,256,959.28
  5. Step 5: Solve for x
    x = 141,753,256,959.28/431,591.72
  6. Step 6: Final answer
    x = 328,442.95

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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.