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Finding the Fourth Proportional to 731,604.93, 1,009,959.99 and 550,386.03

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Solution

The fourth proportional to 731,604.93, 1,009,959.99 and 550,386.03 is: 759,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,604.93 : 1,009,959.99 = 550,386.03 : x
  2. Step 2: Convert to fraction form
    731,604.93/1,009,959.99 = 550,386.03/x
  3. Step 3: Cross multiply
    731,604.93x = 1,009,959.99 × 550,386.03
  4. Step 4: Simplify right side
    731,604.93x = 555,867,869,354.94
  5. Step 5: Solve for x
    x = 555,867,869,354.94/731,604.93
  6. Step 6: Final answer
    x = 759,792.41

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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.