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Finding the Fourth Proportional to 328,084, 452,626.32 and 207,180.16

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Solution

The fourth proportional to 328,084, 452,626.32 and 207,180.16 is: 285,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,084 : 452,626.32 = 207,180.16 : x
  2. Step 2: Convert to fraction form
    328,084/452,626.32 = 207,180.16/x
  3. Step 3: Cross multiply
    328,084x = 452,626.32 × 207,180.16
  4. Step 4: Simplify right side
    328,084x = 93,775,193,397.81
  5. Step 5: Solve for x
    x = 93,775,193,397.81/328,084
  6. Step 6: Final answer
    x = 285,826.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.