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Finding the Fourth Proportional to 400,608.74, 552,877.62 and 239,460.33

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Solution

The fourth proportional to 400,608.74, 552,877.62 and 239,460.33 is: 330,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,608.74 : 552,877.62 = 239,460.33 : x
  2. Step 2: Convert to fraction form
    400,608.74/552,877.62 = 239,460.33/x
  3. Step 3: Cross multiply
    400,608.74x = 552,877.62 × 239,460.33
  4. Step 4: Simplify right side
    400,608.74x = 132,392,255,865.67
  5. Step 5: Solve for x
    x = 132,392,255,865.67/400,608.74
  6. Step 6: Final answer
    x = 330,477.70

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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.