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Finding the Fourth Proportional to 526,459.82, 726,514.68 and 297,065.78

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Solution

The fourth proportional to 526,459.82, 726,514.68 and 297,065.78 is: 409,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,459.82 : 726,514.68 = 297,065.78 : x
  2. Step 2: Convert to fraction form
    526,459.82/726,514.68 = 297,065.78/x
  3. Step 3: Cross multiply
    526,459.82x = 726,514.68 × 297,065.78
  4. Step 4: Simplify right side
    526,459.82x = 215,822,650,095.65
  5. Step 5: Solve for x
    x = 215,822,650,095.65/526,459.82
  6. Step 6: Final answer
    x = 409,950.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.