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Finding the Fourth Proportional to 601,599.90, 902,399.85 and 202,107.90

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Solution

The fourth proportional to 601,599.90, 902,399.85 and 202,107.90 is: 303,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,599.90 : 902,399.85 = 202,107.90 : x
  2. Step 2: Convert to fraction form
    601,599.90/902,399.85 = 202,107.90/x
  3. Step 3: Cross multiply
    601,599.90x = 902,399.85 × 202,107.90
  4. Step 4: Simplify right side
    601,599.90x = 182,382,138,643.82
  5. Step 5: Solve for x
    x = 182,382,138,643.82/601,599.90
  6. Step 6: Final answer
    x = 303,161.85

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Double scale
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Similar ratio
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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.