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Finding the Fourth Proportional to 445,951.16, 669,114.15 and 277,612.30

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Solution

The fourth proportional to 445,951.16, 669,114.15 and 277,612.30 is: 416,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,951.16 : 669,114.15 = 277,612.30 : x
  2. Step 2: Convert to fraction form
    445,951.16/669,114.15 = 277,612.30/x
  3. Step 3: Cross multiply
    445,951.16x = 669,114.15 × 277,612.30
  4. Step 4: Simplify right side
    445,951.16x = 185,754,318,144.05
  5. Step 5: Solve for x
    x = 185,754,318,144.05/445,951.16
  6. Step 6: Final answer
    x = 416,535.12

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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.