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Finding the Fourth Proportional to 572,374.52, 858,561.78 and 198,397.52

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Solution

The fourth proportional to 572,374.52, 858,561.78 and 198,397.52 is: 297,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,374.52 : 858,561.78 = 198,397.52 : x
  2. Step 2: Convert to fraction form
    572,374.52/858,561.78 = 198,397.52/x
  3. Step 3: Cross multiply
    572,374.52x = 858,561.78 × 198,397.52
  4. Step 4: Simplify right side
    572,374.52x = 170,336,527,918.79
  5. Step 5: Solve for x
    x = 170,336,527,918.79/572,374.52
  6. Step 6: Final answer
    x = 297,596.28

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Double scale
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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.