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Finding the Fourth Proportional to 501,420.62, 752,120.00 and 122,344.67

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Solution

The fourth proportional to 501,420.62, 752,120.00 and 122,344.67 is: 183,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,420.62 : 752,120.00 = 122,344.67 : x
  2. Step 2: Convert to fraction form
    501,420.62/752,120.00 = 122,344.67/x
  3. Step 3: Cross multiply
    501,420.62x = 752,120.00 × 122,344.67
  4. Step 4: Simplify right side
    501,420.62x = 92,017,874,927.77
  5. Step 5: Solve for x
    x = 92,017,874,927.77/501,420.62
  6. Step 6: Final answer
    x = 183,514.34

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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.