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Finding the Fourth Proportional to 277,256.77, 413,879.59 and 243,626.65

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Solution

The fourth proportional to 277,256.77, 413,879.59 and 243,626.65 is: 363,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,256.77 : 413,879.59 = 243,626.65 : x
  2. Step 2: Convert to fraction form
    277,256.77/413,879.59 = 243,626.65/x
  3. Step 3: Cross multiply
    277,256.77x = 413,879.59 × 243,626.65
  4. Step 4: Simplify right side
    277,256.77x = 100,832,098,624.14
  5. Step 5: Solve for x
    x = 100,832,098,624.14/277,256.77
  6. Step 6: Final answer
    x = 363,677.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.