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Finding the Fourth Proportional to 938,477.10, 1,295,105.04 and 508,764

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Solution

The fourth proportional to 938,477.10, 1,295,105.04 and 508,764 is: 702,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,477.10 : 1,295,105.04 = 508,764 : x
  2. Step 2: Convert to fraction form
    938,477.10/1,295,105.04 = 508,764/x
  3. Step 3: Cross multiply
    938,477.10x = 1,295,105.04 × 508,764
  4. Step 4: Simplify right side
    938,477.10x = 658,902,820,570.56
  5. Step 5: Solve for x
    x = 658,902,820,570.56/938,477.10
  6. Step 6: Final answer
    x = 702,097.92

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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.