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Finding the Fourth Proportional to 335,116.80, 502,675.20 and 202,406.40

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Solution

The fourth proportional to 335,116.80, 502,675.20 and 202,406.40 is: 303,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,116.80 : 502,675.20 = 202,406.40 : x
  2. Step 2: Convert to fraction form
    335,116.80/502,675.20 = 202,406.40/x
  3. Step 3: Cross multiply
    335,116.80x = 502,675.20 × 202,406.40
  4. Step 4: Simplify right side
    335,116.80x = 101,744,677,601.28
  5. Step 5: Solve for x
    x = 101,744,677,601.28/335,116.80
  6. Step 6: Final answer
    x = 303,609.60

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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.