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Finding the Fourth Proportional to 587,751.69, 811,096.61 and 342,746.33

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Solution

The fourth proportional to 587,751.69, 811,096.61 and 342,746.33 is: 472,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,751.69 : 811,096.61 = 342,746.33 : x
  2. Step 2: Convert to fraction form
    587,751.69/811,096.61 = 342,746.33/x
  3. Step 3: Cross multiply
    587,751.69x = 811,096.61 × 342,746.33
  4. Step 4: Simplify right side
    587,751.69x = 278,000,380,583.73
  5. Step 5: Solve for x
    x = 278,000,380,583.73/587,751.69
  6. Step 6: Final answer
    x = 472,989.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.