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Finding the Fourth Proportional to 319,632.71, 441,258.96 and 233,494.98

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Solution

The fourth proportional to 319,632.71, 441,258.96 and 233,494.98 is: 322,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,632.71 : 441,258.96 = 233,494.98 : x
  2. Step 2: Convert to fraction form
    319,632.71/441,258.96 = 233,494.98/x
  3. Step 3: Cross multiply
    319,632.71x = 441,258.96 × 233,494.98
  4. Step 4: Simplify right side
    319,632.71x = 103,031,752,040.02
  5. Step 5: Solve for x
    x = 103,031,752,040.02/319,632.71
  6. Step 6: Final answer
    x = 322,344.21

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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.