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Finding the Fourth Proportional to 315,097.44, 472,645.44 and 135,066.12

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Solution

The fourth proportional to 315,097.44, 472,645.44 and 135,066.12 is: 202,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,097.44 : 472,645.44 = 135,066.12 : x
  2. Step 2: Convert to fraction form
    315,097.44/472,645.44 = 135,066.12/x
  3. Step 3: Cross multiply
    315,097.44x = 472,645.44 × 135,066.12
  4. Step 4: Simplify right side
    315,097.44x = 63,838,385,716.49
  5. Step 5: Solve for x
    x = 63,838,385,716.49/315,097.44
  6. Step 6: Final answer
    x = 202,598.87

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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.