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Finding the Fourth Proportional to 444,100.80, 666,151.20 and 365,368.80

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Solution

The fourth proportional to 444,100.80, 666,151.20 and 365,368.80 is: 548,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,100.80 : 666,151.20 = 365,368.80 : x
  2. Step 2: Convert to fraction form
    444,100.80/666,151.20 = 365,368.80/x
  3. Step 3: Cross multiply
    444,100.80x = 666,151.20 × 365,368.80
  4. Step 4: Simplify right side
    444,100.80x = 243,390,864,562.56
  5. Step 5: Solve for x
    x = 243,390,864,562.56/444,100.80
  6. Step 6: Final answer
    x = 548,053.20

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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.