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Finding the Fourth Proportional to 576,116.40, 863,483.40 and 295,489.20

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Solution

The fourth proportional to 576,116.40, 863,483.40 and 295,489.20 is: 442,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,116.40 : 863,483.40 = 295,489.20 : x
  2. Step 2: Convert to fraction form
    576,116.40/863,483.40 = 295,489.20/x
  3. Step 3: Cross multiply
    576,116.40x = 863,483.40 × 295,489.20
  4. Step 4: Simplify right side
    576,116.40x = 255,150,019,079.28
  5. Step 5: Solve for x
    x = 255,150,019,079.28/576,116.40
  6. Step 6: Final answer
    x = 442,879.28

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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.