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Finding the Fourth Proportional to 440,795.28, 661,126.32 and 141,244.32

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Solution

The fourth proportional to 440,795.28, 661,126.32 and 141,244.32 is: 211,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,795.28 : 661,126.32 = 141,244.32 : x
  2. Step 2: Convert to fraction form
    440,795.28/661,126.32 = 141,244.32/x
  3. Step 3: Cross multiply
    440,795.28x = 661,126.32 × 141,244.32
  4. Step 4: Simplify right side
    440,795.28x = 93,380,337,502.50
  5. Step 5: Solve for x
    x = 93,380,337,502.50/440,795.28
  6. Step 6: Final answer
    x = 211,845.14

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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.