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Finding the Fourth Proportional to 532,401.88, 798,604.90 and 133,043.10

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Solution

The fourth proportional to 532,401.88, 798,604.90 and 133,043.10 is: 199,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,401.88 : 798,604.90 = 133,043.10 : x
  2. Step 2: Convert to fraction form
    532,401.88/798,604.90 = 133,043.10/x
  3. Step 3: Cross multiply
    532,401.88x = 798,604.90 × 133,043.10
  4. Step 4: Simplify right side
    532,401.88x = 106,248,871,571.19
  5. Step 5: Solve for x
    x = 106,248,871,571.19/532,401.88
  6. Step 6: Final answer
    x = 199,565.17

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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.