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Finding the Fourth Proportional to 366,973.99, 550,436.22 and 100,712.20

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Solution

The fourth proportional to 366,973.99, 550,436.22 and 100,712.20 is: 151,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,973.99 : 550,436.22 = 100,712.20 : x
  2. Step 2: Convert to fraction form
    366,973.99/550,436.22 = 100,712.20/x
  3. Step 3: Cross multiply
    366,973.99x = 550,436.22 × 100,712.20
  4. Step 4: Simplify right side
    366,973.99x = 55,435,642,675.88
  5. Step 5: Solve for x
    x = 55,435,642,675.88/366,973.99
  6. Step 6: Final answer
    x = 151,061.50

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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.