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Finding the Fourth Proportional to 586,444.60, 879,272.70 and 231,275.80

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Solution

The fourth proportional to 586,444.60, 879,272.70 and 231,275.80 is: 346,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,444.60 : 879,272.70 = 231,275.80 : x
  2. Step 2: Convert to fraction form
    586,444.60/879,272.70 = 231,275.80/x
  3. Step 3: Cross multiply
    586,444.60x = 879,272.70 × 231,275.80
  4. Step 4: Simplify right side
    586,444.60x = 203,354,497,110.66
  5. Step 5: Solve for x
    x = 203,354,497,110.66/586,444.60
  6. Step 6: Final answer
    x = 346,758.24

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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.