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Finding the Fourth Proportional to 586,875.20, 880,604.40 and 231,900.80

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Solution

The fourth proportional to 586,875.20, 880,604.40 and 231,900.80 is: 347,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,875.20 : 880,604.40 = 231,900.80 : x
  2. Step 2: Convert to fraction form
    586,875.20/880,604.40 = 231,900.80/x
  3. Step 3: Cross multiply
    586,875.20x = 880,604.40 × 231,900.80
  4. Step 4: Simplify right side
    586,875.20x = 204,212,864,843.52
  5. Step 5: Solve for x
    x = 204,212,864,843.52/586,875.20
  6. Step 6: Final answer
    x = 347,966.42

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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.