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Finding the Fourth Proportional to 216,425.71, 324,303.63 and 149,995.58

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Solution

The fourth proportional to 216,425.71, 324,303.63 and 149,995.58 is: 224,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,425.71 : 324,303.63 = 149,995.58 : x
  2. Step 2: Convert to fraction form
    216,425.71/324,303.63 = 149,995.58/x
  3. Step 3: Cross multiply
    216,425.71x = 324,303.63 × 149,995.58
  4. Step 4: Simplify right side
    216,425.71x = 48,644,111,326.23
  5. Step 5: Solve for x
    x = 48,644,111,326.23/216,425.71
  6. Step 6: Final answer
    x = 224,761.24

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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.