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Finding the Fourth Proportional to 604,566.78, 906,857.96 and 178,005.62

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Solution

The fourth proportional to 604,566.78, 906,857.96 and 178,005.62 is: 267,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,566.78 : 906,857.96 = 178,005.62 : x
  2. Step 2: Convert to fraction form
    604,566.78/906,857.96 = 178,005.62/x
  3. Step 3: Cross multiply
    604,566.78x = 906,857.96 × 178,005.62
  4. Step 4: Simplify right side
    604,566.78x = 161,425,812,531.71
  5. Step 5: Solve for x
    x = 161,425,812,531.71/604,566.78
  6. Step 6: Final answer
    x = 267,010.72

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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.