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Finding the Fourth Proportional to 264,410.95, 396,532.32 and 86,877.04

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Solution

The fourth proportional to 264,410.95, 396,532.32 and 86,877.04 is: 130,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,410.95 : 396,532.32 = 86,877.04 : x
  2. Step 2: Convert to fraction form
    264,410.95/396,532.32 = 86,877.04/x
  3. Step 3: Cross multiply
    264,410.95x = 396,532.32 × 86,877.04
  4. Step 4: Simplify right side
    264,410.95x = 34,449,554,225.93
  5. Step 5: Solve for x
    x = 34,449,554,225.93/264,410.95
  6. Step 6: Final answer
    x = 130,287.93

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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.