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Finding the Fourth Proportional to 322,106.72, 483,061.65 and 153,538.23

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Solution

The fourth proportional to 322,106.72, 483,061.65 and 153,538.23 is: 230,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,106.72 : 483,061.65 = 153,538.23 : x
  2. Step 2: Convert to fraction form
    322,106.72/483,061.65 = 153,538.23/x
  3. Step 3: Cross multiply
    322,106.72x = 483,061.65 × 153,538.23
  4. Step 4: Simplify right side
    322,106.72x = 74,168,430,721.88
  5. Step 5: Solve for x
    x = 74,168,430,721.88/322,106.72
  6. Step 6: Final answer
    x = 230,260.43

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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.