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Finding the Fourth Proportional to 572,640.06, 858,818.12 and 193,552.36

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Solution

The fourth proportional to 572,640.06, 858,818.12 and 193,552.36 is: 290,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,640.06 : 858,818.12 = 193,552.36 : x
  2. Step 2: Convert to fraction form
    572,640.06/858,818.12 = 193,552.36/x
  3. Step 3: Cross multiply
    572,640.06x = 858,818.12 × 193,552.36
  4. Step 4: Simplify right side
    572,640.06x = 166,226,273,936.76
  5. Step 5: Solve for x
    x = 166,226,273,936.76/572,640.06
  6. Step 6: Final answer
    x = 290,280.55

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Similar ratio
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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.