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Finding the Fourth Proportional to 587,631.60, 881,422.76 and 188,263.53

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Solution

The fourth proportional to 587,631.60, 881,422.76 and 188,263.53 is: 282,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,631.60 : 881,422.76 = 188,263.53 : x
  2. Step 2: Convert to fraction form
    587,631.60/881,422.76 = 188,263.53/x
  3. Step 3: Cross multiply
    587,631.60x = 881,422.76 × 188,263.53
  4. Step 4: Simplify right side
    587,631.60x = 165,939,760,219.94
  5. Step 5: Solve for x
    x = 165,939,760,219.94/587,631.60
  6. Step 6: Final answer
    x = 282,387.40

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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.