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Finding the Fourth Proportional to 235,429.49, 324,315.95 and 170,708.51

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Solution

The fourth proportional to 235,429.49, 324,315.95 and 170,708.51 is: 235,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,429.49 : 324,315.95 = 170,708.51 : x
  2. Step 2: Convert to fraction form
    235,429.49/324,315.95 = 170,708.51/x
  3. Step 3: Cross multiply
    235,429.49x = 324,315.95 × 170,708.51
  4. Step 4: Simplify right side
    235,429.49x = 55,363,493,511.22
  5. Step 5: Solve for x
    x = 55,363,493,511.22/235,429.49
  6. Step 6: Final answer
    x = 235,159.56

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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.