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Finding the Fourth Proportional to 266,425.70, 366,919.05 and 260,619.62

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Solution

The fourth proportional to 266,425.70, 366,919.05 and 260,619.62 is: 358,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,425.70 : 366,919.05 = 260,619.62 : x
  2. Step 2: Convert to fraction form
    266,425.70/366,919.05 = 260,619.62/x
  3. Step 3: Cross multiply
    266,425.70x = 366,919.05 × 260,619.62
  4. Step 4: Simplify right side
    266,425.70x = 95,626,303,381.76
  5. Step 5: Solve for x
    x = 95,626,303,381.76/266,425.70
  6. Step 6: Final answer
    x = 358,922.97

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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.