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Finding the Fourth Proportional to 335,079.45, 502,643.48 and 201,672.45

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Solution

The fourth proportional to 335,079.45, 502,643.48 and 201,672.45 is: 302,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,079.45 : 502,643.48 = 201,672.45 : x
  2. Step 2: Convert to fraction form
    335,079.45/502,643.48 = 201,672.45/x
  3. Step 3: Cross multiply
    335,079.45x = 502,643.48 × 201,672.45
  4. Step 4: Simplify right side
    335,079.45x = 101,369,341,079.76
  5. Step 5: Solve for x
    x = 101,369,341,079.76/335,079.45
  6. Step 6: Final answer
    x = 302,523.30

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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.