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Finding the Fourth Proportional to 573,550.32, 791,483.16 and 318,896.88

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Solution

The fourth proportional to 573,550.32, 791,483.16 and 318,896.88 is: 440,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,550.32 : 791,483.16 = 318,896.88 : x
  2. Step 2: Convert to fraction form
    573,550.32/791,483.16 = 318,896.88/x
  3. Step 3: Cross multiply
    573,550.32x = 791,483.16 × 318,896.88
  4. Step 4: Simplify right side
    573,550.32x = 252,401,510,296.54
  5. Step 5: Solve for x
    x = 252,401,510,296.54/573,550.32
  6. Step 6: Final answer
    x = 440,068.64

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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.