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Finding the Fourth Proportional to 322,897.95, 484,084.49 and 112,683.51

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Solution

The fourth proportional to 322,897.95, 484,084.49 and 112,683.51 is: 168,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,897.95 : 484,084.49 = 112,683.51 : x
  2. Step 2: Convert to fraction form
    322,897.95/484,084.49 = 112,683.51/x
  3. Step 3: Cross multiply
    322,897.95x = 484,084.49 × 112,683.51
  4. Step 4: Simplify right side
    322,897.95x = 54,548,338,906.34
  5. Step 5: Solve for x
    x = 54,548,338,906.34/322,897.95
  6. Step 6: Final answer
    x = 168,933.68

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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.