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Finding the Fourth Proportional to 286,371.92, 429,524.52 and 76,026.20

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Solution

The fourth proportional to 286,371.92, 429,524.52 and 76,026.20 is: 114,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,371.92 : 429,524.52 = 76,026.20 : x
  2. Step 2: Convert to fraction form
    286,371.92/429,524.52 = 76,026.20/x
  3. Step 3: Cross multiply
    286,371.92x = 429,524.52 × 76,026.20
  4. Step 4: Simplify right side
    286,371.92x = 32,655,117,062.42
  5. Step 5: Solve for x
    x = 32,655,117,062.42/286,371.92
  6. Step 6: Final answer
    x = 114,030.44

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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.