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Finding the Fourth Proportional to 377,722.17, 566,583.21 and 128,404.17

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Solution

The fourth proportional to 377,722.17, 566,583.21 and 128,404.17 is: 192,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,722.17 : 566,583.21 = 128,404.17 : x
  2. Step 2: Convert to fraction form
    377,722.17/566,583.21 = 128,404.17/x
  3. Step 3: Cross multiply
    377,722.17x = 566,583.21 × 128,404.17
  4. Step 4: Simplify right side
    377,722.17x = 72,751,646,815.99
  5. Step 5: Solve for x
    x = 72,751,646,815.99/377,722.17
  6. Step 6: Final answer
    x = 192,606.24

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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.