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Finding the Fourth Proportional to 363,281.39, 501,388.40 and 212,349.23

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Solution

The fourth proportional to 363,281.39, 501,388.40 and 212,349.23 is: 293,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,281.39 : 501,388.40 = 212,349.23 : x
  2. Step 2: Convert to fraction form
    363,281.39/501,388.40 = 212,349.23/x
  3. Step 3: Cross multiply
    363,281.39x = 501,388.40 × 212,349.23
  4. Step 4: Simplify right side
    363,281.39x = 106,469,439,609.19
  5. Step 5: Solve for x
    x = 106,469,439,609.19/363,281.39
  6. Step 6: Final answer
    x = 293,077.05

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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.