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Finding the Fourth Proportional to 491,282.56, 736,924.02 and 175,720.60

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Solution

The fourth proportional to 491,282.56, 736,924.02 and 175,720.60 is: 263,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,282.56 : 736,924.02 = 175,720.60 : x
  2. Step 2: Convert to fraction form
    491,282.56/736,924.02 = 175,720.60/x
  3. Step 3: Cross multiply
    491,282.56x = 736,924.02 × 175,720.60
  4. Step 4: Simplify right side
    491,282.56x = 129,492,730,948.81
  5. Step 5: Solve for x
    x = 129,492,730,948.81/491,282.56
  6. Step 6: Final answer
    x = 263,580.96

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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.