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Finding the Fourth Proportional to 360,386.93, 497,318.33 and 197,040.44

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Solution

The fourth proportional to 360,386.93, 497,318.33 and 197,040.44 is: 271,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,386.93 : 497,318.33 = 197,040.44 : x
  2. Step 2: Convert to fraction form
    360,386.93/497,318.33 = 197,040.44/x
  3. Step 3: Cross multiply
    360,386.93x = 497,318.33 × 197,040.44
  4. Step 4: Simplify right side
    360,386.93x = 97,991,820,569.27
  5. Step 5: Solve for x
    x = 97,991,820,569.27/360,386.93
  6. Step 6: Final answer
    x = 271,907.26

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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.