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Finding the Fourth Proportional to 270,668.74, 373,518.33 and 149,807.45

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Solution

The fourth proportional to 270,668.74, 373,518.33 and 149,807.45 is: 206,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,668.74 : 373,518.33 = 149,807.45 : x
  2. Step 2: Convert to fraction form
    270,668.74/373,518.33 = 149,807.45/x
  3. Step 3: Cross multiply
    270,668.74x = 373,518.33 × 149,807.45
  4. Step 4: Simplify right side
    270,668.74x = 55,955,828,545.56
  5. Step 5: Solve for x
    x = 55,955,828,545.56/270,668.74
  6. Step 6: Final answer
    x = 206,731.77

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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.