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Finding the Fourth Proportional to 216,507.59, 324,678.36 and 74,326.37

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Solution

The fourth proportional to 216,507.59, 324,678.36 and 74,326.37 is: 111,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,507.59 : 324,678.36 = 74,326.37 : x
  2. Step 2: Convert to fraction form
    216,507.59/324,678.36 = 74,326.37/x
  3. Step 3: Cross multiply
    216,507.59x = 324,678.36 × 74,326.37
  4. Step 4: Simplify right side
    216,507.59x = 24,132,162,153.60
  5. Step 5: Solve for x
    x = 24,132,162,153.60/216,507.59
  6. Step 6: Final answer
    x = 111,461.05

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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.