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Finding the Fourth Proportional to 526,826.88, 790,212.51 and 147,773.75

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Solution

The fourth proportional to 526,826.88, 790,212.51 and 147,773.75 is: 221,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,826.88 : 790,212.51 = 147,773.75 : x
  2. Step 2: Convert to fraction form
    526,826.88/790,212.51 = 147,773.75/x
  3. Step 3: Cross multiply
    526,826.88x = 790,212.51 × 147,773.75
  4. Step 4: Simplify right side
    526,826.88x = 116,772,661,948.55
  5. Step 5: Solve for x
    x = 116,772,661,948.55/526,826.88
  6. Step 6: Final answer
    x = 221,652.82

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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.