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Finding the Fourth Proportional to 477,114.56, 658,452.48 and 286,124.48

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Solution

The fourth proportional to 477,114.56, 658,452.48 and 286,124.48 is: 394,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,114.56 : 658,452.48 = 286,124.48 : x
  2. Step 2: Convert to fraction form
    477,114.56/658,452.48 = 286,124.48/x
  3. Step 3: Cross multiply
    477,114.56x = 658,452.48 × 286,124.48
  4. Step 4: Simplify right side
    477,114.56x = 188,399,373,444.71
  5. Step 5: Solve for x
    x = 188,399,373,444.71/477,114.56
  6. Step 6: Final answer
    x = 394,872.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.