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Finding the Fourth Proportional to 576,073.76, 863,740.67 and 239,347.04

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Solution

The fourth proportional to 576,073.76, 863,740.67 and 239,347.04 is: 358,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,073.76 : 863,740.67 = 239,347.04 : x
  2. Step 2: Convert to fraction form
    576,073.76/863,740.67 = 239,347.04/x
  3. Step 3: Cross multiply
    576,073.76x = 863,740.67 × 239,347.04
  4. Step 4: Simplify right side
    576,073.76x = 206,733,767,176.68
  5. Step 5: Solve for x
    x = 206,733,767,176.68/576,073.76
  6. Step 6: Final answer
    x = 358,866.84

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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.