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Finding the Fourth Proportional to 491,360.80, 737,041.20 and 175,842.40

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Solution

The fourth proportional to 491,360.80, 737,041.20 and 175,842.40 is: 263,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,360.80 : 737,041.20 = 175,842.40 : x
  2. Step 2: Convert to fraction form
    491,360.80/737,041.20 = 175,842.40/x
  3. Step 3: Cross multiply
    491,360.80x = 737,041.20 × 175,842.40
  4. Step 4: Simplify right side
    491,360.80x = 129,603,093,506.88
  5. Step 5: Solve for x
    x = 129,603,093,506.88/491,360.80
  6. Step 6: Final answer
    x = 263,763.60

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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.