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Finding the Fourth Proportional to 354,545, 531,822.14 and 117,887.68

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Solution

The fourth proportional to 354,545, 531,822.14 and 117,887.68 is: 176,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,545 : 531,822.14 = 117,887.68 : x
  2. Step 2: Convert to fraction form
    354,545/531,822.14 = 117,887.68/x
  3. Step 3: Cross multiply
    354,545x = 531,822.14 × 117,887.68
  4. Step 4: Simplify right side
    354,545x = 62,695,278,257.24
  5. Step 5: Solve for x
    x = 62,695,278,257.24/354,545
  6. Step 6: Final answer
    x = 176,833.06

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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.