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Finding the Fourth Proportional to 477,563.42, 716,345.12 and 140,604.12

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Solution

The fourth proportional to 477,563.42, 716,345.12 and 140,604.12 is: 210,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,563.42 : 716,345.12 = 140,604.12 : x
  2. Step 2: Convert to fraction form
    477,563.42/716,345.12 = 140,604.12/x
  3. Step 3: Cross multiply
    477,563.42x = 716,345.12 × 140,604.12
  4. Step 4: Simplify right side
    477,563.42x = 100,721,074,510.87
  5. Step 5: Solve for x
    x = 100,721,074,510.87/477,563.42
  6. Step 6: Final answer
    x = 210,906.18

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Similar ratio
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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.