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Finding the Fourth Proportional to 431,473.71, 595,436.48 and 240,499.20

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Solution

The fourth proportional to 431,473.71, 595,436.48 and 240,499.20 is: 331,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,473.71 : 595,436.48 = 240,499.20 : x
  2. Step 2: Convert to fraction form
    431,473.71/595,436.48 = 240,499.20/x
  3. Step 3: Cross multiply
    431,473.71x = 595,436.48 × 240,499.20
  4. Step 4: Simplify right side
    431,473.71x = 143,201,997,090.82
  5. Step 5: Solve for x
    x = 143,201,997,090.82/431,473.71
  6. Step 6: Final answer
    x = 331,890.43

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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.