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Finding the Fourth Proportional to 335,082.80, 502,624.20 and 256,350.80

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Solution

The fourth proportional to 335,082.80, 502,624.20 and 256,350.80 is: 384,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,082.80 : 502,624.20 = 256,350.80 : x
  2. Step 2: Convert to fraction form
    335,082.80/502,624.20 = 256,350.80/x
  3. Step 3: Cross multiply
    335,082.80x = 502,624.20 × 256,350.80
  4. Step 4: Simplify right side
    335,082.80x = 128,848,115,769.36
  5. Step 5: Solve for x
    x = 128,848,115,769.36/335,082.80
  6. Step 6: Final answer
    x = 384,526.20

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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.