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Finding the Fourth Proportional to 433,390.30, 598,064.14 and 239,798.37

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Solution

The fourth proportional to 433,390.30, 598,064.14 and 239,798.37 is: 330,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,390.30 : 598,064.14 = 239,798.37 : x
  2. Step 2: Convert to fraction form
    433,390.30/598,064.14 = 239,798.37/x
  3. Step 3: Cross multiply
    433,390.30x = 598,064.14 × 239,798.37
  4. Step 4: Simplify right side
    433,390.30x = 143,414,808,469.94
  5. Step 5: Solve for x
    x = 143,414,808,469.94/433,390.30
  6. Step 6: Final answer
    x = 330,913.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.