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Finding the Fourth Proportional to 731,590.92, 1,009,940.67 and 550,372

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Solution

The fourth proportional to 731,590.92, 1,009,940.67 and 550,372 is: 759,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,590.92 : 1,009,940.67 = 550,372 : x
  2. Step 2: Convert to fraction form
    731,590.92/1,009,940.67 = 550,372/x
  3. Step 3: Cross multiply
    731,590.92x = 1,009,940.67 × 550,372
  4. Step 4: Simplify right side
    731,590.92x = 555,843,066,429.24
  5. Step 5: Solve for x
    x = 555,843,066,429.24/731,590.92
  6. Step 6: Final answer
    x = 759,773.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.