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Finding the Fourth Proportional to 314,964.70, 472,447.05 and 236,232.70

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Solution

The fourth proportional to 314,964.70, 472,447.05 and 236,232.70 is: 354,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,964.70 : 472,447.05 = 236,232.70 : x
  2. Step 2: Convert to fraction form
    314,964.70/472,447.05 = 236,232.70/x
  3. Step 3: Cross multiply
    314,964.70x = 472,447.05 × 236,232.70
  4. Step 4: Simplify right side
    314,964.70x = 111,607,442,228.54
  5. Step 5: Solve for x
    x = 111,607,442,228.54/314,964.70
  6. Step 6: Final answer
    x = 354,349.05

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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.