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Finding the Fourth Proportional to 563,857.80, 845,819.10 and 164,560.20

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Solution

The fourth proportional to 563,857.80, 845,819.10 and 164,560.20 is: 246,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,857.80 : 845,819.10 = 164,560.20 : x
  2. Step 2: Convert to fraction form
    563,857.80/845,819.10 = 164,560.20/x
  3. Step 3: Cross multiply
    563,857.80x = 845,819.10 × 164,560.20
  4. Step 4: Simplify right side
    563,857.80x = 139,188,160,259.82
  5. Step 5: Solve for x
    x = 139,188,160,259.82/563,857.80
  6. Step 6: Final answer
    x = 246,849.76

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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.