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Finding the Fourth Proportional to 373,966.42, 560,418.70 and 288,253.34

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Solution

The fourth proportional to 373,966.42, 560,418.70 and 288,253.34 is: 431,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,966.42 : 560,418.70 = 288,253.34 : x
  2. Step 2: Convert to fraction form
    373,966.42/560,418.70 = 288,253.34/x
  3. Step 3: Cross multiply
    373,966.42x = 560,418.70 × 288,253.34
  4. Step 4: Simplify right side
    373,966.42x = 161,542,562,073.46
  5. Step 5: Solve for x
    x = 161,542,562,073.46/373,966.42
  6. Step 6: Final answer
    x = 431,970.77

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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.