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Finding the Fourth Proportional to 575,367.76, 862,452.86 and 322,277.20

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Solution

The fourth proportional to 575,367.76, 862,452.86 and 322,277.20 is: 483,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,367.76 : 862,452.86 = 322,277.20 : x
  2. Step 2: Convert to fraction form
    575,367.76/862,452.86 = 322,277.20/x
  3. Step 3: Cross multiply
    575,367.76x = 862,452.86 × 322,277.20
  4. Step 4: Simplify right side
    575,367.76x = 277,948,892,852.79
  5. Step 5: Solve for x
    x = 277,948,892,852.79/575,367.76
  6. Step 6: Final answer
    x = 483,080.41

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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.