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Finding the Fourth Proportional to 322,001.51, 483,223.72 and 111,639.45

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Solution

The fourth proportional to 322,001.51, 483,223.72 and 111,639.45 is: 167,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,001.51 : 483,223.72 = 111,639.45 : x
  2. Step 2: Convert to fraction form
    322,001.51/483,223.72 = 111,639.45/x
  3. Step 3: Cross multiply
    322,001.51x = 483,223.72 × 111,639.45
  4. Step 4: Simplify right side
    322,001.51x = 53,946,830,327.75
  5. Step 5: Solve for x
    x = 53,946,830,327.75/322,001.51
  6. Step 6: Final answer
    x = 167,535.95

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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.