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Finding the Fourth Proportional to 364,604.95, 502,952.65 and 213,672.79

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Solution

The fourth proportional to 364,604.95, 502,952.65 and 213,672.79 is: 294,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,604.95 : 502,952.65 = 213,672.79 : x
  2. Step 2: Convert to fraction form
    364,604.95/502,952.65 = 213,672.79/x
  3. Step 3: Cross multiply
    364,604.95x = 502,952.65 × 213,672.79
  4. Step 4: Simplify right side
    364,604.95x = 107,467,295,963.39
  5. Step 5: Solve for x
    x = 107,467,295,963.39/364,604.95
  6. Step 6: Final answer
    x = 294,749.96

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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.