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Finding the Fourth Proportional to 262,365.85, 393,576.91 and 72,827.02

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Solution

The fourth proportional to 262,365.85, 393,576.91 and 72,827.02 is: 109,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,365.85 : 393,576.91 = 72,827.02 : x
  2. Step 2: Convert to fraction form
    262,365.85/393,576.91 = 72,827.02/x
  3. Step 3: Cross multiply
    262,365.85x = 393,576.91 × 72,827.02
  4. Step 4: Simplify right side
    262,365.85x = 28,663,034,759.33
  5. Step 5: Solve for x
    x = 28,663,034,759.33/262,365.85
  6. Step 6: Final answer
    x = 109,248.35

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1.5x scale

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.