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Finding the Fourth Proportional to 431,656.56, 595,686.42 and 240,666.12

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Solution

The fourth proportional to 431,656.56, 595,686.42 and 240,666.12 is: 332,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,656.56 : 595,686.42 = 240,666.12 : x
  2. Step 2: Convert to fraction form
    431,656.56/595,686.42 = 240,666.12/x
  3. Step 3: Cross multiply
    431,656.56x = 595,686.42 × 240,666.12
  4. Step 4: Simplify right side
    431,656.56x = 143,361,539,438.09
  5. Step 5: Solve for x
    x = 143,361,539,438.09/431,656.56
  6. Step 6: Final answer
    x = 332,119.45

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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.