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Finding the Fourth Proportional to 604,587.98, 906,889.74 and 178,026.81

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Solution

The fourth proportional to 604,587.98, 906,889.74 and 178,026.81 is: 267,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,587.98 : 906,889.74 = 178,026.81 : x
  2. Step 2: Convert to fraction form
    604,587.98/906,889.74 = 178,026.81/x
  3. Step 3: Cross multiply
    604,587.98x = 906,889.74 × 178,026.81
  4. Step 4: Simplify right side
    604,587.98x = 161,450,687,433.93
  5. Step 5: Solve for x
    x = 161,450,687,433.93/604,587.98
  6. Step 6: Final answer
    x = 267,042.51

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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.