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Finding the Fourth Proportional to 324,187.59, 486,304.74 and 124,507.98

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Solution

The fourth proportional to 324,187.59, 486,304.74 and 124,507.98 is: 186,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,187.59 : 486,304.74 = 124,507.98 : x
  2. Step 2: Convert to fraction form
    324,187.59/486,304.74 = 124,507.98/x
  3. Step 3: Cross multiply
    324,187.59x = 486,304.74 × 124,507.98
  4. Step 4: Simplify right side
    324,187.59x = 60,548,818,551.28
  5. Step 5: Solve for x
    x = 60,548,818,551.28/324,187.59
  6. Step 6: Final answer
    x = 186,770.93

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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.