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Finding the Fourth Proportional to 431,340.92, 595,294.76 and 259,314.56

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Solution

The fourth proportional to 431,340.92, 595,294.76 and 259,314.56 is: 357,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,340.92 : 595,294.76 = 259,314.56 : x
  2. Step 2: Convert to fraction form
    431,340.92/595,294.76 = 259,314.56/x
  3. Step 3: Cross multiply
    431,340.92x = 595,294.76 × 259,314.56
  4. Step 4: Simplify right side
    431,340.92x = 154,368,598,759.71
  5. Step 5: Solve for x
    x = 154,368,598,759.71/431,340.92
  6. Step 6: Final answer
    x = 357,880.72

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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.