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Finding the Fourth Proportional to 452,904.30, 679,356.45 and 186,527.70

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Solution

The fourth proportional to 452,904.30, 679,356.45 and 186,527.70 is: 279,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,904.30 : 679,356.45 = 186,527.70 : x
  2. Step 2: Convert to fraction form
    452,904.30/679,356.45 = 186,527.70/x
  3. Step 3: Cross multiply
    452,904.30x = 679,356.45 × 186,527.70
  4. Step 4: Simplify right side
    452,904.30x = 126,718,796,098.67
  5. Step 5: Solve for x
    x = 126,718,796,098.67/452,904.30
  6. Step 6: Final answer
    x = 279,791.55

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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.