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Finding the Fourth Proportional to 565,727.67, 843,262.20 and 520,326.81

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Solution

The fourth proportional to 565,727.67, 843,262.20 and 520,326.81 is: 775,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,727.67 : 843,262.20 = 520,326.81 : x
  2. Step 2: Convert to fraction form
    565,727.67/843,262.20 = 520,326.81/x
  3. Step 3: Cross multiply
    565,727.67x = 843,262.20 × 520,326.81
  4. Step 4: Simplify right side
    565,727.67x = 438,771,930,519.58
  5. Step 5: Solve for x
    x = 438,771,930,519.58/565,727.67
  6. Step 6: Final answer
    x = 775,588.60

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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.