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Finding the Fourth Proportional to 334,632.40, 502,337.40 and 201,662.80

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Solution

The fourth proportional to 334,632.40, 502,337.40 and 201,662.80 is: 302,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,632.40 : 502,337.40 = 201,662.80 : x
  2. Step 2: Convert to fraction form
    334,632.40/502,337.40 = 201,662.80/x
  3. Step 3: Cross multiply
    334,632.40x = 502,337.40 × 201,662.80
  4. Step 4: Simplify right side
    334,632.40x = 101,302,766,628.72
  5. Step 5: Solve for x
    x = 101,302,766,628.72/334,632.40
  6. Step 6: Final answer
    x = 302,728.51

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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.