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Finding the Fourth Proportional to 445,008.17, 614,098.62 and 261,243.79

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Solution

The fourth proportional to 445,008.17, 614,098.62 and 261,243.79 is: 360,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,008.17 : 614,098.62 = 261,243.79 : x
  2. Step 2: Convert to fraction form
    445,008.17/614,098.62 = 261,243.79/x
  3. Step 3: Cross multiply
    445,008.17x = 614,098.62 × 261,243.79
  4. Step 4: Simplify right side
    445,008.17x = 160,429,449,387.32
  5. Step 5: Solve for x
    x = 160,429,449,387.32/445,008.17
  6. Step 6: Final answer
    x = 360,509.00

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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.