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Finding the Fourth Proportional to 572,637.67, 858,814.56 and 193,549.97

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Solution

The fourth proportional to 572,637.67, 858,814.56 and 193,549.97 is: 290,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,637.67 : 858,814.56 = 193,549.97 : x
  2. Step 2: Convert to fraction form
    572,637.67/858,814.56 = 193,549.97/x
  3. Step 3: Cross multiply
    572,637.67x = 858,814.56 × 193,549.97
  4. Step 4: Simplify right side
    572,637.67x = 166,223,534,470.60
  5. Step 5: Solve for x
    x = 166,223,534,470.60/572,637.67
  6. Step 6: Final answer
    x = 290,276.98

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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.