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Finding the Fourth Proportional to 262,602.80, 394,001.40 and 104,944.40

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Solution

The fourth proportional to 262,602.80, 394,001.40 and 104,944.40 is: 157,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,602.80 : 394,001.40 = 104,944.40 : x
  2. Step 2: Convert to fraction form
    262,602.80/394,001.40 = 104,944.40/x
  3. Step 3: Cross multiply
    262,602.80x = 394,001.40 × 104,944.40
  4. Step 4: Simplify right side
    262,602.80x = 41,348,240,522.16
  5. Step 5: Solve for x
    x = 41,348,240,522.16/262,602.80
  6. Step 6: Final answer
    x = 157,455.44

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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.