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Finding the Fourth Proportional to 431,473.46, 595,436.13 and 240,498.95

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Solution

The fourth proportional to 431,473.46, 595,436.13 and 240,498.95 is: 331,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,473.46 : 595,436.13 = 240,498.95 : x
  2. Step 2: Convert to fraction form
    431,473.46/595,436.13 = 240,498.95/x
  3. Step 3: Cross multiply
    431,473.46x = 595,436.13 × 240,498.95
  4. Step 4: Simplify right side
    431,473.46x = 143,201,761,079.88
  5. Step 5: Solve for x
    x = 143,201,761,079.88/431,473.46
  6. Step 6: Final answer
    x = 331,890.08

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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.