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Finding the Fourth Proportional to 440,507.15, 608,192.41 and 338,349.95

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Solution

The fourth proportional to 440,507.15, 608,192.41 and 338,349.95 is: 467,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,507.15 : 608,192.41 = 338,349.95 : x
  2. Step 2: Convert to fraction form
    440,507.15/608,192.41 = 338,349.95/x
  3. Step 3: Cross multiply
    440,507.15x = 608,192.41 × 338,349.95
  4. Step 4: Simplify right side
    440,507.15x = 205,781,871,513.88
  5. Step 5: Solve for x
    x = 205,781,871,513.88/440,507.15
  6. Step 6: Final answer
    x = 467,147.63

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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.