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Finding the Fourth Proportional to 373,477.04, 560,288.40 and 120,820.16

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Solution

The fourth proportional to 373,477.04, 560,288.40 and 120,820.16 is: 181,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,477.04 : 560,288.40 = 120,820.16 : x
  2. Step 2: Convert to fraction form
    373,477.04/560,288.40 = 120,820.16/x
  3. Step 3: Cross multiply
    373,477.04x = 560,288.40 × 120,820.16
  4. Step 4: Simplify right side
    373,477.04x = 67,694,134,134.14
  5. Step 5: Solve for x
    x = 67,694,134,134.14/373,477.04
  6. Step 6: Final answer
    x = 181,253.80

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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.