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Finding the Fourth Proportional to 477,812.31, 659,366.60 and 262,952.07

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Solution

The fourth proportional to 477,812.31, 659,366.60 and 262,952.07 is: 362,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,812.31 : 659,366.60 = 262,952.07 : x
  2. Step 2: Convert to fraction form
    477,812.31/659,366.60 = 262,952.07/x
  3. Step 3: Cross multiply
    477,812.31x = 659,366.60 × 262,952.07
  4. Step 4: Simplify right side
    477,812.31x = 173,381,811,044.10
  5. Step 5: Solve for x
    x = 173,381,811,044.10/477,812.31
  6. Step 6: Final answer
    x = 362,865.94

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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.