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Finding the Fourth Proportional to 496,524.90, 745,095.15 and 260,037.30

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Solution

The fourth proportional to 496,524.90, 745,095.15 and 260,037.30 is: 390,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,524.90 : 745,095.15 = 260,037.30 : x
  2. Step 2: Convert to fraction form
    496,524.90/745,095.15 = 260,037.30/x
  3. Step 3: Cross multiply
    496,524.90x = 745,095.15 × 260,037.30
  4. Step 4: Simplify right side
    496,524.90x = 193,752,531,049.10
  5. Step 5: Solve for x
    x = 193,752,531,049.10/496,524.90
  6. Step 6: Final answer
    x = 390,217.15

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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.