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Finding the Fourth Proportional to 572,527.80, 858,791.70 and 493,795.80

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Solution

The fourth proportional to 572,527.80, 858,791.70 and 493,795.80 is: 740,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,527.80 : 858,791.70 = 493,795.80 : x
  2. Step 2: Convert to fraction form
    572,527.80/858,791.70 = 493,795.80/x
  3. Step 3: Cross multiply
    572,527.80x = 858,791.70 × 493,795.80
  4. Step 4: Simplify right side
    572,527.80x = 424,067,734,534.86
  5. Step 5: Solve for x
    x = 424,067,734,534.86/572,527.80
  6. Step 6: Final answer
    x = 740,693.70

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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.