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Finding the Fourth Proportional to 322,327.05, 483,324.47 and 144,681.80

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Solution

The fourth proportional to 322,327.05, 483,324.47 and 144,681.80 is: 216,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,327.05 : 483,324.47 = 144,681.80 : x
  2. Step 2: Convert to fraction form
    322,327.05/483,324.47 = 144,681.80/x
  3. Step 3: Cross multiply
    322,327.05x = 483,324.47 × 144,681.80
  4. Step 4: Simplify right side
    322,327.05x = 69,928,251,706.17
  5. Step 5: Solve for x
    x = 69,928,251,706.17/322,327.05
  6. Step 6: Final answer
    x = 216,948.14

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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.