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Finding the Fourth Proportional to 601,070.64, 829,487.68 and 329,134.20

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Solution

The fourth proportional to 601,070.64, 829,487.68 and 329,134.20 is: 454,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,070.64 : 829,487.68 = 329,134.20 : x
  2. Step 2: Convert to fraction form
    601,070.64/829,487.68 = 329,134.20/x
  3. Step 3: Cross multiply
    601,070.64x = 829,487.68 × 329,134.20
  4. Step 4: Simplify right side
    601,070.64x = 273,012,763,966.66
  5. Step 5: Solve for x
    x = 273,012,763,966.66/601,070.64
  6. Step 6: Final answer
    x = 454,210.78

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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.