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Finding the Fourth Proportional to 547,793.10, 821,689.65 and 526,797.90

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Solution

The fourth proportional to 547,793.10, 821,689.65 and 526,797.90 is: 790,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,793.10 : 821,689.65 = 526,797.90 : x
  2. Step 2: Convert to fraction form
    547,793.10/821,689.65 = 526,797.90/x
  3. Step 3: Cross multiply
    547,793.10x = 821,689.65 × 526,797.90
  4. Step 4: Simplify right side
    547,793.10x = 432,864,382,071.74
  5. Step 5: Solve for x
    x = 432,864,382,071.74/547,793.10
  6. Step 6: Final answer
    x = 790,196.85

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Similar ratio
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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.