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Finding the Fourth Proportional to 391,093.23, 586,474.59 and 166,444.59

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Solution

The fourth proportional to 391,093.23, 586,474.59 and 166,444.59 is: 249,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,093.23 : 586,474.59 = 166,444.59 : x
  2. Step 2: Convert to fraction form
    391,093.23/586,474.59 = 166,444.59/x
  3. Step 3: Cross multiply
    391,093.23x = 586,474.59 × 166,444.59
  4. Step 4: Simplify right side
    391,093.23x = 97,615,522,677.97
  5. Step 5: Solve for x
    x = 97,615,522,677.97/391,093.23
  6. Step 6: Final answer
    x = 249,596.55

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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.