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Finding the Fourth Proportional to 322,521.70, 483,782.55 and 97,881.70

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Solution

The fourth proportional to 322,521.70, 483,782.55 and 97,881.70 is: 146,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,521.70 : 483,782.55 = 97,881.70 : x
  2. Step 2: Convert to fraction form
    322,521.70/483,782.55 = 97,881.70/x
  3. Step 3: Cross multiply
    322,521.70x = 483,782.55 × 97,881.70
  4. Step 4: Simplify right side
    322,521.70x = 47,353,458,424.34
  5. Step 5: Solve for x
    x = 47,353,458,424.34/322,521.70
  6. Step 6: Final answer
    x = 146,822.55

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Similar ratio
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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.