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Finding the Fourth Proportional to 550,371.10, 771,569.30 and 550,371.10

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Solution

The fourth proportional to 550,371.10, 771,569.30 and 550,371.10 is: 771,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,371.10 : 771,569.30 = 550,371.10 : x
  2. Step 2: Convert to fraction form
    550,371.10/771,569.30 = 550,371.10/x
  3. Step 3: Cross multiply
    550,371.10x = 771,569.30 × 550,371.10
  4. Step 4: Simplify right side
    550,371.10x = 424,649,444,367.23
  5. Step 5: Solve for x
    x = 424,649,444,367.23/550,371.10
  6. Step 6: Final answer
    x = 771,569.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.