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Finding the Fourth Proportional to 335,045.20, 502,592.10 and 201,638.20

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Solution

The fourth proportional to 335,045.20, 502,592.10 and 201,638.20 is: 302,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,045.20 : 502,592.10 = 201,638.20 : x
  2. Step 2: Convert to fraction form
    335,045.20/502,592.10 = 201,638.20/x
  3. Step 3: Cross multiply
    335,045.20x = 502,592.10 × 201,638.20
  4. Step 4: Simplify right side
    335,045.20x = 101,341,766,378.22
  5. Step 5: Solve for x
    x = 101,341,766,378.22/335,045.20
  6. Step 6: Final answer
    x = 302,471.92

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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.