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Finding the Fourth Proportional to 284,635.04, 426,937.18 and 144,390.04

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Solution

The fourth proportional to 284,635.04, 426,937.18 and 144,390.04 is: 216,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,635.04 : 426,937.18 = 144,390.04 : x
  2. Step 2: Convert to fraction form
    284,635.04/426,937.18 = 144,390.04/x
  3. Step 3: Cross multiply
    284,635.04x = 426,937.18 × 144,390.04
  4. Step 4: Simplify right side
    284,635.04x = 61,645,476,497.69
  5. Step 5: Solve for x
    x = 61,645,476,497.69/284,635.04
  6. Step 6: Final answer
    x = 216,577.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.