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Finding the Fourth Proportional to 559,876.80, 840,063.32 and 293,574.08

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Solution

The fourth proportional to 559,876.80, 840,063.32 and 293,574.08 is: 440,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876.80 : 840,063.32 = 293,574.08 : x
  2. Step 2: Convert to fraction form
    559,876.80/840,063.32 = 293,574.08/x
  3. Step 3: Cross multiply
    559,876.80x = 840,063.32 × 293,574.08
  4. Step 4: Simplify right side
    559,876.80x = 246,620,816,310.75
  5. Step 5: Solve for x
    x = 246,620,816,310.75/559,876.80
  6. Step 6: Final answer
    x = 440,491.22

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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.