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Finding the Fourth Proportional to 489,224.80, 733,837.20 and 156,834.40

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Solution

The fourth proportional to 489,224.80, 733,837.20 and 156,834.40 is: 235,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,224.80 : 733,837.20 = 156,834.40 : x
  2. Step 2: Convert to fraction form
    489,224.80/733,837.20 = 156,834.40/x
  3. Step 3: Cross multiply
    489,224.80x = 733,837.20 × 156,834.40
  4. Step 4: Simplify right side
    489,224.80x = 115,090,916,959.68
  5. Step 5: Solve for x
    x = 115,090,916,959.68/489,224.80
  6. Step 6: Final answer
    x = 235,251.60

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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.