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Finding the Fourth Proportional to 373,146.70, 559,775.40 and 120,344.08

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Solution

The fourth proportional to 373,146.70, 559,775.40 and 120,344.08 is: 180,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,146.70 : 559,775.40 = 120,344.08 : x
  2. Step 2: Convert to fraction form
    373,146.70/559,775.40 = 120,344.08/x
  3. Step 3: Cross multiply
    373,146.70x = 559,775.40 × 120,344.08
  4. Step 4: Simplify right side
    373,146.70x = 67,365,655,519.63
  5. Step 5: Solve for x
    x = 67,365,655,519.63/373,146.70
  6. Step 6: Final answer
    x = 180,533.97

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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.