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Finding the Fourth Proportional to 572,575.80, 858,863.70 and 526,956.60

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Solution

The fourth proportional to 572,575.80, 858,863.70 and 526,956.60 is: 790,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,575.80 : 858,863.70 = 526,956.60 : x
  2. Step 2: Convert to fraction form
    572,575.80/858,863.70 = 526,956.60/x
  3. Step 3: Cross multiply
    572,575.80x = 858,863.70 × 526,956.60
  4. Step 4: Simplify right side
    572,575.80x = 452,583,895,215.42
  5. Step 5: Solve for x
    x = 452,583,895,215.42/572,575.80
  6. Step 6: Final answer
    x = 790,434.90

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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.