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Finding the Fourth Proportional to 553,061.84, 829,713.72 and 179,122.64

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Solution

The fourth proportional to 553,061.84, 829,713.72 and 179,122.64 is: 268,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,061.84 : 829,713.72 = 179,122.64 : x
  2. Step 2: Convert to fraction form
    553,061.84/829,713.72 = 179,122.64/x
  3. Step 3: Cross multiply
    553,061.84x = 829,713.72 × 179,122.64
  4. Step 4: Simplify right side
    553,061.84x = 148,620,511,970.62
  5. Step 5: Solve for x
    x = 148,620,511,970.62/553,061.84
  6. Step 6: Final answer
    x = 268,723.14

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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.