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Finding the Fourth Proportional to 496,670.10, 745,005.15 and 296,887.65

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Solution

The fourth proportional to 496,670.10, 745,005.15 and 296,887.65 is: 445,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,670.10 : 745,005.15 = 296,887.65 : x
  2. Step 2: Convert to fraction form
    496,670.10/745,005.15 = 296,887.65/x
  3. Step 3: Cross multiply
    496,670.10x = 745,005.15 × 296,887.65
  4. Step 4: Simplify right side
    496,670.10x = 221,182,828,221.40
  5. Step 5: Solve for x
    x = 221,182,828,221.40/496,670.10
  6. Step 6: Final answer
    x = 445,331.48

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Similar ratio
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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.