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Finding the Fourth Proportional to 560,563.44, 773,594.64 and 318,881.04

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Solution

The fourth proportional to 560,563.44, 773,594.64 and 318,881.04 is: 440,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,563.44 : 773,594.64 = 318,881.04 : x
  2. Step 2: Convert to fraction form
    560,563.44/773,594.64 = 318,881.04/x
  3. Step 3: Cross multiply
    560,563.44x = 773,594.64 × 318,881.04
  4. Step 4: Simplify right side
    560,563.44x = 246,684,663,341.63
  5. Step 5: Solve for x
    x = 246,684,663,341.63/560,563.44
  6. Step 6: Final answer
    x = 440,065.56

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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.