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Finding the Fourth Proportional to 295,864.60, 442,922.10 and 264,371.80

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Solution

The fourth proportional to 295,864.60, 442,922.10 and 264,371.80 is: 395,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,864.60 : 442,922.10 = 264,371.80 : x
  2. Step 2: Convert to fraction form
    295,864.60/442,922.10 = 264,371.80/x
  3. Step 3: Cross multiply
    295,864.60x = 442,922.10 × 264,371.80
  4. Step 4: Simplify right side
    295,864.60x = 117,096,112,836.78
  5. Step 5: Solve for x
    x = 117,096,112,836.78/295,864.60
  6. Step 6: Final answer
    x = 395,776.02

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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.