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Finding the Fourth Proportional to 604,344.30, 906,417.90 and 177,780.35

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Solution

The fourth proportional to 604,344.30, 906,417.90 and 177,780.35 is: 266,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,344.30 : 906,417.90 = 177,780.35 : x
  2. Step 2: Convert to fraction form
    604,344.30/906,417.90 = 177,780.35/x
  3. Step 3: Cross multiply
    604,344.30x = 906,417.90 × 177,780.35
  4. Step 4: Simplify right side
    604,344.30x = 161,143,286,976.18
  5. Step 5: Solve for x
    x = 161,143,286,976.18/604,344.30
  6. Step 6: Final answer
    x = 266,641.53

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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.