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Finding the Fourth Proportional to 440,466, 607,843.80 and 239,262

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Solution

The fourth proportional to 440,466, 607,843.80 and 239,262 is: 330,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,466 : 607,843.80 = 239,262 : x
  2. Step 2: Convert to fraction form
    440,466/607,843.80 = 239,262/x
  3. Step 3: Cross multiply
    440,466x = 607,843.80 × 239,262
  4. Step 4: Simplify right side
    440,466x = 145,433,923,275.60
  5. Step 5: Solve for x
    x = 145,433,923,275.60/440,466
  6. Step 6: Final answer
    x = 330,181.95

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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.