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Finding the Fourth Proportional to 558,279.88, 770,177.52 and 372,053.14

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Solution

The fourth proportional to 558,279.88, 770,177.52 and 372,053.14 is: 513,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,279.88 : 770,177.52 = 372,053.14 : x
  2. Step 2: Convert to fraction form
    558,279.88/770,177.52 = 372,053.14/x
  3. Step 3: Cross multiply
    558,279.88x = 770,177.52 × 372,053.14
  4. Step 4: Simplify right side
    558,279.88x = 286,546,964,673.41
  5. Step 5: Solve for x
    x = 286,546,964,673.41/558,279.88
  6. Step 6: Final answer
    x = 513,267.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.