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Finding the Fourth Proportional to 604,003.90, 906,589.05 and 367,807.90

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Solution

The fourth proportional to 604,003.90, 906,589.05 and 367,807.90 is: 552,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,003.90 : 906,589.05 = 367,807.90 : x
  2. Step 2: Convert to fraction form
    604,003.90/906,589.05 = 367,807.90/x
  3. Step 3: Cross multiply
    604,003.90x = 906,589.05 × 367,807.90
  4. Step 4: Simplify right side
    604,003.90x = 333,450,614,643.50
  5. Step 5: Solve for x
    x = 333,450,614,643.50/604,003.90
  6. Step 6: Final answer
    x = 552,066.99

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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.