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Finding the Fourth Proportional to 341,803.89, 513,027.54 and 173,445.03

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Solution

The fourth proportional to 341,803.89, 513,027.54 and 173,445.03 is: 260,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,803.89 : 513,027.54 = 173,445.03 : x
  2. Step 2: Convert to fraction form
    341,803.89/513,027.54 = 173,445.03/x
  3. Step 3: Cross multiply
    341,803.89x = 513,027.54 × 173,445.03
  4. Step 4: Simplify right side
    341,803.89x = 88,982,077,066.13
  5. Step 5: Solve for x
    x = 88,982,077,066.13/341,803.89
  6. Step 6: Final answer
    x = 260,330.79

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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.