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Finding the Fourth Proportional to 586,180.15, 878,810.86 and 231,459.68

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Solution

The fourth proportional to 586,180.15, 878,810.86 and 231,459.68 is: 347,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,180.15 : 878,810.86 = 231,459.68 : x
  2. Step 2: Convert to fraction form
    586,180.15/878,810.86 = 231,459.68/x
  3. Step 3: Cross multiply
    586,180.15x = 878,810.86 × 231,459.68
  4. Step 4: Simplify right side
    586,180.15x = 203,409,280,436.13
  5. Step 5: Solve for x
    x = 203,409,280,436.13/586,180.15
  6. Step 6: Final answer
    x = 347,008.13

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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.