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Finding the Fourth Proportional to 629,271.60, 943,864.20 and 202,801.20

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Solution

The fourth proportional to 629,271.60, 943,864.20 and 202,801.20 is: 304,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,271.60 : 943,864.20 = 202,801.20 : x
  2. Step 2: Convert to fraction form
    629,271.60/943,864.20 = 202,801.20/x
  3. Step 3: Cross multiply
    629,271.60x = 943,864.20 × 202,801.20
  4. Step 4: Simplify right side
    629,271.60x = 191,416,792,397.04
  5. Step 5: Solve for x
    x = 191,416,792,397.04/629,271.60
  6. Step 6: Final answer
    x = 304,187.88

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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.