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Finding the Fourth Proportional to 335,215.20, 502,847.10 and 201,808.20

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Solution

The fourth proportional to 335,215.20, 502,847.10 and 201,808.20 is: 302,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,215.20 : 502,847.10 = 201,808.20 : x
  2. Step 2: Convert to fraction form
    335,215.20/502,847.10 = 201,808.20/x
  3. Step 3: Cross multiply
    335,215.20x = 502,847.10 × 201,808.20
  4. Step 4: Simplify right side
    335,215.20x = 101,478,668,126.22
  5. Step 5: Solve for x
    x = 101,478,668,126.22/335,215.20
  6. Step 6: Final answer
    x = 302,726.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.