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Finding the Fourth Proportional to 491,853.80, 737,780.70 and 176,335.40

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Solution

The fourth proportional to 491,853.80, 737,780.70 and 176,335.40 is: 264,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,853.80 : 737,780.70 = 176,335.40 : x
  2. Step 2: Convert to fraction form
    491,853.80/737,780.70 = 176,335.40/x
  3. Step 3: Cross multiply
    491,853.80x = 737,780.70 × 176,335.40
  4. Step 4: Simplify right side
    491,853.80x = 130,096,854,846.78
  5. Step 5: Solve for x
    x = 130,096,854,846.78/491,853.80
  6. Step 6: Final answer
    x = 264,503.10

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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.