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Finding the Fourth Proportional to 630,057.30, 945,269.01 and 203,584.20

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Solution

The fourth proportional to 630,057.30, 945,269.01 and 203,584.20 is: 305,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,057.30 : 945,269.01 = 203,584.20 : x
  2. Step 2: Convert to fraction form
    630,057.30/945,269.01 = 203,584.20/x
  3. Step 3: Cross multiply
    630,057.30x = 945,269.01 × 203,584.20
  4. Step 4: Simplify right side
    630,057.30x = 192,441,835,185.64
  5. Step 5: Solve for x
    x = 192,441,835,185.64/630,057.30
  6. Step 6: Final answer
    x = 305,435.45

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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.