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Finding the Fourth Proportional to 604,017.20, 906,004.85 and 154,741.79

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Solution

The fourth proportional to 604,017.20, 906,004.85 and 154,741.79 is: 232,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,017.20 : 906,004.85 = 154,741.79 : x
  2. Step 2: Convert to fraction form
    604,017.20/906,004.85 = 154,741.79/x
  3. Step 3: Cross multiply
    604,017.20x = 906,004.85 × 154,741.79
  4. Step 4: Simplify right side
    604,017.20x = 140,196,813,728.99
  5. Step 5: Solve for x
    x = 140,196,813,728.99/604,017.20
  6. Step 6: Final answer
    x = 232,107.32

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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.