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Finding the Fourth Proportional to 431,359.87, 595,206.61 and 250,036.38

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Solution

The fourth proportional to 431,359.87, 595,206.61 and 250,036.38 is: 345,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,359.87 : 595,206.61 = 250,036.38 : x
  2. Step 2: Convert to fraction form
    431,359.87/595,206.61 = 250,036.38/x
  3. Step 3: Cross multiply
    431,359.87x = 595,206.61 × 250,036.38
  4. Step 4: Simplify right side
    431,359.87x = 148,823,306,116.47
  5. Step 5: Solve for x
    x = 148,823,306,116.47/431,359.87
  6. Step 6: Final answer
    x = 345,009.62

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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.