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Finding the Fourth Proportional to 373,721.85, 560,757.74 and 163,332.45

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Solution

The fourth proportional to 373,721.85, 560,757.74 and 163,332.45 is: 245,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,721.85 : 560,757.74 = 163,332.45 : x
  2. Step 2: Convert to fraction form
    373,721.85/560,757.74 = 163,332.45/x
  3. Step 3: Cross multiply
    373,721.85x = 560,757.74 × 163,332.45
  4. Step 4: Simplify right side
    373,721.85x = 91,589,934,714.00
  5. Step 5: Solve for x
    x = 91,589,934,714.00/373,721.85
  6. Step 6: Final answer
    x = 245,075.14

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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.