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Finding the Fourth Proportional to 235,616.69, 325,347.23 and 218,521.37

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Solution

The fourth proportional to 235,616.69, 325,347.23 and 218,521.37 is: 301,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,616.69 : 325,347.23 = 218,521.37 : x
  2. Step 2: Convert to fraction form
    235,616.69/325,347.23 = 218,521.37/x
  3. Step 3: Cross multiply
    235,616.69x = 325,347.23 × 218,521.37
  4. Step 4: Simplify right side
    235,616.69x = 71,095,322,425.31
  5. Step 5: Solve for x
    x = 71,095,322,425.31/235,616.69
  6. Step 6: Final answer
    x = 301,741.45

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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.