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Finding the Fourth Proportional to 364,552.70, 502,880.54 and 213,620.54

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Solution

The fourth proportional to 364,552.70, 502,880.54 and 213,620.54 is: 294,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,552.70 : 502,880.54 = 213,620.54 : x
  2. Step 2: Convert to fraction form
    364,552.70/502,880.54 = 213,620.54/x
  3. Step 3: Cross multiply
    364,552.70x = 502,880.54 × 213,620.54
  4. Step 4: Simplify right side
    364,552.70x = 107,425,612,510.29
  5. Step 5: Solve for x
    x = 107,425,612,510.29/364,552.70
  6. Step 6: Final answer
    x = 294,677.87

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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.