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Finding the Fourth Proportional to 336,282.80, 504,424.20 and 125,909.60

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Solution

The fourth proportional to 336,282.80, 504,424.20 and 125,909.60 is: 188,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,282.80 : 504,424.20 = 125,909.60 : x
  2. Step 2: Convert to fraction form
    336,282.80/504,424.20 = 125,909.60/x
  3. Step 3: Cross multiply
    336,282.80x = 504,424.20 × 125,909.60
  4. Step 4: Simplify right side
    336,282.80x = 63,511,849,252.32
  5. Step 5: Solve for x
    x = 63,511,849,252.32/336,282.80
  6. Step 6: Final answer
    x = 188,864.40

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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.