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Finding the Fourth Proportional to 260,333.91, 390,862.28 and 134,064.44

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Solution

The fourth proportional to 260,333.91, 390,862.28 and 134,064.44 is: 201,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,333.91 : 390,862.28 = 134,064.44 : x
  2. Step 2: Convert to fraction form
    260,333.91/390,862.28 = 134,064.44/x
  3. Step 3: Cross multiply
    260,333.91x = 390,862.28 × 134,064.44
  4. Step 4: Simplify right side
    260,333.91x = 52,400,730,060.69
  5. Step 5: Solve for x
    x = 52,400,730,060.69/260,333.91
  6. Step 6: Final answer
    x = 201,282.77

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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.