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Finding the Fourth Proportional to 364,362.25, 502,863.78 and 213,459.25

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Solution

The fourth proportional to 364,362.25, 502,863.78 and 213,459.25 is: 294,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,362.25 : 502,863.78 = 213,459.25 : x
  2. Step 2: Convert to fraction form
    364,362.25/502,863.78 = 213,459.25/x
  3. Step 3: Cross multiply
    364,362.25x = 502,863.78 × 213,459.25
  4. Step 4: Simplify right side
    364,362.25x = 107,340,925,330.97
  5. Step 5: Solve for x
    x = 107,340,925,330.97/364,362.25
  6. Step 6: Final answer
    x = 294,599.47

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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.