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Finding the Fourth Proportional to 575,366.76, 862,451.36 and 322,276.20

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Solution

The fourth proportional to 575,366.76, 862,451.36 and 322,276.20 is: 483,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,366.76 : 862,451.36 = 322,276.20 : x
  2. Step 2: Convert to fraction form
    575,366.76/862,451.36 = 322,276.20/x
  3. Step 3: Cross multiply
    575,366.76x = 862,451.36 × 322,276.20
  4. Step 4: Simplify right side
    575,366.76x = 277,947,546,985.63
  5. Step 5: Solve for x
    x = 277,947,546,985.63/575,366.76
  6. Step 6: Final answer
    x = 483,078.91

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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.