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Finding the Fourth Proportional to 587,551.40, 881,327.10 and 188,205.20

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Solution

The fourth proportional to 587,551.40, 881,327.10 and 188,205.20 is: 282,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,551.40 : 881,327.10 = 188,205.20 : x
  2. Step 2: Convert to fraction form
    587,551.40/881,327.10 = 188,205.20/x
  3. Step 3: Cross multiply
    587,551.40x = 881,327.10 × 188,205.20
  4. Step 4: Simplify right side
    587,551.40x = 165,870,343,120.92
  5. Step 5: Solve for x
    x = 165,870,343,120.92/587,551.40
  6. Step 6: Final answer
    x = 282,307.80

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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.