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Finding the Fourth Proportional to 477,608.44, 716,166.06 and 140,605.42

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Solution

The fourth proportional to 477,608.44, 716,166.06 and 140,605.42 is: 210,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,608.44 : 716,166.06 = 140,605.42 : x
  2. Step 2: Convert to fraction form
    477,608.44/716,166.06 = 140,605.42/x
  3. Step 3: Cross multiply
    477,608.44x = 716,166.06 × 140,605.42
  4. Step 4: Simplify right side
    477,608.44x = 100,696,829,656.05
  5. Step 5: Solve for x
    x = 100,696,829,656.05/477,608.44
  6. Step 6: Final answer
    x = 210,835.53

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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.