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Finding the Fourth Proportional to 444,166.80, 665,266.05 and 365,434.80

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Solution

The fourth proportional to 444,166.80, 665,266.05 and 365,434.80 is: 547,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,166.80 : 665,266.05 = 365,434.80 : x
  2. Step 2: Convert to fraction form
    444,166.80/665,266.05 = 365,434.80/x
  3. Step 3: Cross multiply
    444,166.80x = 665,266.05 × 365,434.80
  4. Step 4: Simplify right side
    444,166.80x = 243,111,365,928.54
  5. Step 5: Solve for x
    x = 243,111,365,928.54/444,166.80
  6. Step 6: Final answer
    x = 547,342.50

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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.