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Finding the Fourth Proportional to 568,728.93, 849,406.23 and 515,314.29

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Solution

The fourth proportional to 568,728.93, 849,406.23 and 515,314.29 is: 769,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,728.93 : 849,406.23 = 515,314.29 : x
  2. Step 2: Convert to fraction form
    568,728.93/849,406.23 = 515,314.29/x
  3. Step 3: Cross multiply
    568,728.93x = 849,406.23 × 515,314.29
  4. Step 4: Simplify right side
    568,728.93x = 437,711,168,334.03
  5. Step 5: Solve for x
    x = 437,711,168,334.03/568,728.93
  6. Step 6: Final answer
    x = 769,630.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.