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Finding the Fourth Proportional to 560,269.88, 840,412.13 and 186,292.88

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Solution

The fourth proportional to 560,269.88, 840,412.13 and 186,292.88 is: 279,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,269.88 : 840,412.13 = 186,292.88 : x
  2. Step 2: Convert to fraction form
    560,269.88/840,412.13 = 186,292.88/x
  3. Step 3: Cross multiply
    560,269.88x = 840,412.13 × 186,292.88
  4. Step 4: Simplify right side
    560,269.88x = 156,562,790,951.11
  5. Step 5: Solve for x
    x = 156,562,790,951.11/560,269.88
  6. Step 6: Final answer
    x = 279,441.74

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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.