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Finding the Fourth Proportional to 477,613.53, 716,172.98 and 140,610.33

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Solution

The fourth proportional to 477,613.53, 716,172.98 and 140,610.33 is: 210,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,613.53 : 716,172.98 = 140,610.33 : x
  2. Step 2: Convert to fraction form
    477,613.53/716,172.98 = 140,610.33/x
  3. Step 3: Cross multiply
    477,613.53x = 716,172.98 × 140,610.33
  4. Step 4: Simplify right side
    477,613.53x = 100,701,318,351.83
  5. Step 5: Solve for x
    x = 100,701,318,351.83/477,613.53
  6. Step 6: Final answer
    x = 210,842.68

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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.