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Finding the Fourth Proportional to 402,100.60, 602,932.20 and 165,467.20

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Solution

The fourth proportional to 402,100.60, 602,932.20 and 165,467.20 is: 248,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,100.60 : 602,932.20 = 165,467.20 : x
  2. Step 2: Convert to fraction form
    402,100.60/602,932.20 = 165,467.20/x
  3. Step 3: Cross multiply
    402,100.60x = 602,932.20 × 165,467.20
  4. Step 4: Simplify right side
    402,100.60x = 99,765,502,923.84
  5. Step 5: Solve for x
    x = 99,765,502,923.84/402,100.60
  6. Step 6: Final answer
    x = 248,110.80

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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.