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Finding the Fourth Proportional to 467,934.82, 645,750.05 and 253,074.88

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Solution

The fourth proportional to 467,934.82, 645,750.05 and 253,074.88 is: 349,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,934.82 : 645,750.05 = 253,074.88 : x
  2. Step 2: Convert to fraction form
    467,934.82/645,750.05 = 253,074.88/x
  3. Step 3: Cross multiply
    467,934.82x = 645,750.05 × 253,074.88
  4. Step 4: Simplify right side
    467,934.82x = 163,423,116,904.59
  5. Step 5: Solve for x
    x = 163,423,116,904.59/467,934.82
  6. Step 6: Final answer
    x = 349,243.34

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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.