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Finding the Fourth Proportional to 363,257.52, 501,287.56 and 210,302.20

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Solution

The fourth proportional to 363,257.52, 501,287.56 and 210,302.20 is: 290,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,257.52 : 501,287.56 = 210,302.20 : x
  2. Step 2: Convert to fraction form
    363,257.52/501,287.56 = 210,302.20/x
  3. Step 3: Cross multiply
    363,257.52x = 501,287.56 × 210,302.20
  4. Step 4: Simplify right side
    363,257.52x = 105,421,876,700.63
  5. Step 5: Solve for x
    x = 105,421,876,700.63/363,257.52
  6. Step 6: Final answer
    x = 290,212.51

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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.