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Finding the Fourth Proportional to 439,086.59, 605,931.60 and 248,095.88

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Solution

The fourth proportional to 439,086.59, 605,931.60 and 248,095.88 is: 342,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,086.59 : 605,931.60 = 248,095.88 : x
  2. Step 2: Convert to fraction form
    439,086.59/605,931.60 = 248,095.88/x
  3. Step 3: Cross multiply
    439,086.59x = 605,931.60 × 248,095.88
  4. Step 4: Simplify right side
    439,086.59x = 150,329,130,492.15
  5. Step 5: Solve for x
    x = 150,329,130,492.15/439,086.59
  6. Step 6: Final answer
    x = 342,367.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.