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Finding the Fourth Proportional to 439,364.66, 606,214.53 and 248,373.95

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Solution

The fourth proportional to 439,364.66, 606,214.53 and 248,373.95 is: 342,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,364.66 : 606,214.53 = 248,373.95 : x
  2. Step 2: Convert to fraction form
    439,364.66/606,214.53 = 248,373.95/x
  3. Step 3: Cross multiply
    439,364.66x = 606,214.53 × 248,373.95
  4. Step 4: Simplify right side
    439,364.66x = 150,567,894,332.42
  5. Step 5: Solve for x
    x = 150,567,894,332.42/439,364.66
  6. Step 6: Final answer
    x = 342,694.60

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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.