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Finding the Fourth Proportional to 440,233.60, 660,350.40 and 107,809.60

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Solution

The fourth proportional to 440,233.60, 660,350.40 and 107,809.60 is: 161,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,233.60 : 660,350.40 = 107,809.60 : x
  2. Step 2: Convert to fraction form
    440,233.60/660,350.40 = 107,809.60/x
  3. Step 3: Cross multiply
    440,233.60x = 660,350.40 × 107,809.60
  4. Step 4: Simplify right side
    440,233.60x = 71,192,112,483.84
  5. Step 5: Solve for x
    x = 71,192,112,483.84/440,233.60
  6. Step 6: Final answer
    x = 161,714.40

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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.