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Finding the Fourth Proportional to 604,617.40, 906,707.40 and 244,637.20

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Solution

The fourth proportional to 604,617.40, 906,707.40 and 244,637.20 is: 366,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,617.40 : 906,707.40 = 244,637.20 : x
  2. Step 2: Convert to fraction form
    604,617.40/906,707.40 = 244,637.20/x
  3. Step 3: Cross multiply
    604,617.40x = 906,707.40 × 244,637.20
  4. Step 4: Simplify right side
    604,617.40x = 221,814,359,555.28
  5. Step 5: Solve for x
    x = 221,814,359,555.28/604,617.40
  6. Step 6: Final answer
    x = 366,867.31

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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.