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Finding the Fourth Proportional to 439,080.14, 605,931.21 and 237,876.14

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Solution

The fourth proportional to 439,080.14, 605,931.21 and 237,876.14 is: 328,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,080.14 : 605,931.21 = 237,876.14 : x
  2. Step 2: Convert to fraction form
    439,080.14/605,931.21 = 237,876.14/x
  3. Step 3: Cross multiply
    439,080.14x = 605,931.21 × 237,876.14
  4. Step 4: Simplify right side
    439,080.14x = 144,136,577,340.33
  5. Step 5: Solve for x
    x = 144,136,577,340.33/439,080.14
  6. Step 6: Final answer
    x = 328,269.41

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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.