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Finding the Fourth Proportional to 431,841.16, 595,632.28 and 374,377.73

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Solution

The fourth proportional to 431,841.16, 595,632.28 and 374,377.73 is: 516,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,841.16 : 595,632.28 = 374,377.73 : x
  2. Step 2: Convert to fraction form
    431,841.16/595,632.28 = 374,377.73/x
  3. Step 3: Cross multiply
    431,841.16x = 595,632.28 × 374,377.73
  4. Step 4: Simplify right side
    431,841.16x = 222,991,461,454.26
  5. Step 5: Solve for x
    x = 222,991,461,454.26/431,841.16
  6. Step 6: Final answer
    x = 516,373.80

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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.