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Finding the Fourth Proportional to 216,632.94, 324,959.40 and 153,734.82

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Solution

The fourth proportional to 216,632.94, 324,959.40 and 153,734.82 is: 230,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,632.94 : 324,959.40 = 153,734.82 : x
  2. Step 2: Convert to fraction form
    216,632.94/324,959.40 = 153,734.82/x
  3. Step 3: Cross multiply
    216,632.94x = 324,959.40 × 153,734.82
  4. Step 4: Simplify right side
    216,632.94x = 49,957,574,866.31
  5. Step 5: Solve for x
    x = 49,957,574,866.31/216,632.94
  6. Step 6: Final answer
    x = 230,609.32

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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.