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Finding the Fourth Proportional to 590,007.05, 885,015.75 and 190,647.89

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Solution

The fourth proportional to 590,007.05, 885,015.75 and 190,647.89 is: 285,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,007.05 : 885,015.75 = 190,647.89 : x
  2. Step 2: Convert to fraction form
    590,007.05/885,015.75 = 190,647.89/x
  3. Step 3: Cross multiply
    590,007.05x = 885,015.75 × 190,647.89
  4. Step 4: Simplify right side
    590,007.05x = 168,726,387,719.84
  5. Step 5: Solve for x
    x = 168,726,387,719.84/590,007.05
  6. Step 6: Final answer
    x = 285,973.51

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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.