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Finding the Fourth Proportional to 491,148.60, 736,722.90 and 175,615.80

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Solution

The fourth proportional to 491,148.60, 736,722.90 and 175,615.80 is: 263,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,148.60 : 736,722.90 = 175,615.80 : x
  2. Step 2: Convert to fraction form
    491,148.60/736,722.90 = 175,615.80/x
  3. Step 3: Cross multiply
    491,148.60x = 736,722.90 × 175,615.80
  4. Step 4: Simplify right side
    491,148.60x = 129,380,181,461.82
  5. Step 5: Solve for x
    x = 129,380,181,461.82/491,148.60
  6. Step 6: Final answer
    x = 263,423.70

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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.