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Finding the Fourth Proportional to 600,621.90, 900,932.85 and 201,129.90

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Solution

The fourth proportional to 600,621.90, 900,932.85 and 201,129.90 is: 301,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,621.90 : 900,932.85 = 201,129.90 : x
  2. Step 2: Convert to fraction form
    600,621.90/900,932.85 = 201,129.90/x
  3. Step 3: Cross multiply
    600,621.90x = 900,932.85 × 201,129.90
  4. Step 4: Simplify right side
    600,621.90x = 181,204,534,027.22
  5. Step 5: Solve for x
    x = 181,204,534,027.22/600,621.90
  6. Step 6: Final answer
    x = 301,694.85

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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.