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Finding the Fourth Proportional to 491,624.54, 737,436.80 and 176,302.88

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Solution

The fourth proportional to 491,624.54, 737,436.80 and 176,302.88 is: 264,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,624.54 : 737,436.80 = 176,302.88 : x
  2. Step 2: Convert to fraction form
    491,624.54/737,436.80 = 176,302.88/x
  3. Step 3: Cross multiply
    491,624.54x = 737,436.80 × 176,302.88
  4. Step 4: Simplify right side
    491,624.54x = 130,012,227,970.80
  5. Step 5: Solve for x
    x = 130,012,227,970.80/491,624.54
  6. Step 6: Final answer
    x = 264,454.31

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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.