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Finding the Fourth Proportional to 491,655.68, 737,561.28 and 176,105.60

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Solution

The fourth proportional to 491,655.68, 737,561.28 and 176,105.60 is: 264,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,655.68 : 737,561.28 = 176,105.60 : x
  2. Step 2: Convert to fraction form
    491,655.68/737,561.28 = 176,105.60/x
  3. Step 3: Cross multiply
    491,655.68x = 737,561.28 × 176,105.60
  4. Step 4: Simplify right side
    491,655.68x = 129,888,671,751.17
  5. Step 5: Solve for x
    x = 129,888,671,751.17/491,655.68
  6. Step 6: Final answer
    x = 264,186.25

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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.