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Finding the Fourth Proportional to 303,254.10, 454,881.15 and 277,666.20

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Solution

The fourth proportional to 303,254.10, 454,881.15 and 277,666.20 is: 416,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,254.10 : 454,881.15 = 277,666.20 : x
  2. Step 2: Convert to fraction form
    303,254.10/454,881.15 = 277,666.20/x
  3. Step 3: Cross multiply
    303,254.10x = 454,881.15 × 277,666.20
  4. Step 4: Simplify right side
    303,254.10x = 126,305,120,372.13
  5. Step 5: Solve for x
    x = 126,305,120,372.13/303,254.10
  6. Step 6: Final answer
    x = 416,499.30

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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.