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Finding the Fourth Proportional to 619,857.77, 929,664.24 and 170,462.68

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Solution

The fourth proportional to 619,857.77, 929,664.24 and 170,462.68 is: 255,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,857.77 : 929,664.24 = 170,462.68 : x
  2. Step 2: Convert to fraction form
    619,857.77/929,664.24 = 170,462.68/x
  3. Step 3: Cross multiply
    619,857.77x = 929,664.24 × 170,462.68
  4. Step 4: Simplify right side
    619,857.77x = 158,473,054,887.17
  5. Step 5: Solve for x
    x = 158,473,054,887.17/619,857.77
  6. Step 6: Final answer
    x = 255,660.35

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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.