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Finding the Fourth Proportional to 235,421.33, 324,304.74 and 170,700.39

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Solution

The fourth proportional to 235,421.33, 324,304.74 and 170,700.39 is: 235,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,421.33 : 324,304.74 = 170,700.39 : x
  2. Step 2: Convert to fraction form
    235,421.33/324,304.74 = 170,700.39/x
  3. Step 3: Cross multiply
    235,421.33x = 324,304.74 × 170,700.39
  4. Step 4: Simplify right side
    235,421.33x = 55,358,945,596.85
  5. Step 5: Solve for x
    x = 55,358,945,596.85/235,421.33
  6. Step 6: Final answer
    x = 235,148.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.