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Finding the Fourth Proportional to 407,833.60, 611,750.40 and 248,401.30

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Solution

The fourth proportional to 407,833.60, 611,750.40 and 248,401.30 is: 372,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,833.60 : 611,750.40 = 248,401.30 : x
  2. Step 2: Convert to fraction form
    407,833.60/611,750.40 = 248,401.30/x
  3. Step 3: Cross multiply
    407,833.60x = 611,750.40 × 248,401.30
  4. Step 4: Simplify right side
    407,833.60x = 151,959,594,635.52
  5. Step 5: Solve for x
    x = 151,959,594,635.52/407,833.60
  6. Step 6: Final answer
    x = 372,601.95

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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.