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Finding the Fourth Proportional to 526,987.72, 790,363.32 and 242,404.95

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Solution

The fourth proportional to 526,987.72, 790,363.32 and 242,404.95 is: 363,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,987.72 : 790,363.32 = 242,404.95 : x
  2. Step 2: Convert to fraction form
    526,987.72/790,363.32 = 242,404.95/x
  3. Step 3: Cross multiply
    526,987.72x = 790,363.32 × 242,404.95
  4. Step 4: Simplify right side
    526,987.72x = 191,587,981,066.43
  5. Step 5: Solve for x
    x = 191,587,981,066.43/526,987.72
  6. Step 6: Final answer
    x = 363,553.03

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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.