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Finding the Fourth Proportional to 715,234.08, 986,774.88 and 457,262.04

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Solution

The fourth proportional to 715,234.08, 986,774.88 and 457,262.04 is: 630,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,234.08 : 986,774.88 = 457,262.04 : x
  2. Step 2: Convert to fraction form
    715,234.08/986,774.88 = 457,262.04/x
  3. Step 3: Cross multiply
    715,234.08x = 986,774.88 × 457,262.04
  4. Step 4: Simplify right side
    715,234.08x = 451,214,694,649.56
  5. Step 5: Solve for x
    x = 451,214,694,649.56/715,234.08
  6. Step 6: Final answer
    x = 630,862.97

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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.