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Finding the Fourth Proportional to 356,267.80, 534,401.70 and 350,738.20

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Solution

The fourth proportional to 356,267.80, 534,401.70 and 350,738.20 is: 526,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,267.80 : 534,401.70 = 350,738.20 : x
  2. Step 2: Convert to fraction form
    356,267.80/534,401.70 = 350,738.20/x
  3. Step 3: Cross multiply
    356,267.80x = 534,401.70 × 350,738.20
  4. Step 4: Simplify right side
    356,267.80x = 187,435,090,334.94
  5. Step 5: Solve for x
    x = 187,435,090,334.94/356,267.80
  6. Step 6: Final answer
    x = 526,107.30

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1.5x scale

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.