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Finding the Fourth Proportional to 586,031.70, 879,194.94 and 270,711.66

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Solution

The fourth proportional to 586,031.70, 879,194.94 and 270,711.66 is: 406,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,031.70 : 879,194.94 = 270,711.66 : x
  2. Step 2: Convert to fraction form
    586,031.70/879,194.94 = 270,711.66/x
  3. Step 3: Cross multiply
    586,031.70x = 879,194.94 × 270,711.66
  4. Step 4: Simplify right side
    586,031.70x = 238,008,321,671.00
  5. Step 5: Solve for x
    x = 238,008,321,671.00/586,031.70
  6. Step 6: Final answer
    x = 406,135.58

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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.