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Finding the Fourth Proportional to 526,920.94, 790,383.30 and 127,560.94

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Solution

The fourth proportional to 526,920.94, 790,383.30 and 127,560.94 is: 191,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,920.94 : 790,383.30 = 127,560.94 : x
  2. Step 2: Convert to fraction form
    526,920.94/790,383.30 = 127,560.94/x
  3. Step 3: Cross multiply
    526,920.94x = 790,383.30 × 127,560.94
  4. Step 4: Simplify right side
    526,920.94x = 100,822,036,708.30
  5. Step 5: Solve for x
    x = 100,822,036,708.30/526,920.94
  6. Step 6: Final answer
    x = 191,341.87

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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.