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Finding the Fourth Proportional to 656,647.98, 984,898.11 and 176,911.22

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Solution

The fourth proportional to 656,647.98, 984,898.11 and 176,911.22 is: 265,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,647.98 : 984,898.11 = 176,911.22 : x
  2. Step 2: Convert to fraction form
    656,647.98/984,898.11 = 176,911.22/x
  3. Step 3: Cross multiply
    656,647.98x = 984,898.11 × 176,911.22
  4. Step 4: Simplify right side
    656,647.98x = 174,239,526,215.79
  5. Step 5: Solve for x
    x = 174,239,526,215.79/656,647.98
  6. Step 6: Final answer
    x = 265,346.93

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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.