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Finding the Fourth Proportional to 360,396.33, 497,320.74 and 199,253.31

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Solution

The fourth proportional to 360,396.33, 497,320.74 and 199,253.31 is: 274,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,396.33 : 497,320.74 = 199,253.31 : x
  2. Step 2: Convert to fraction form
    360,396.33/497,320.74 = 199,253.31/x
  3. Step 3: Cross multiply
    360,396.33x = 497,320.74 × 199,253.31
  4. Step 4: Simplify right side
    360,396.33x = 99,092,803,576.65
  5. Step 5: Solve for x
    x = 99,092,803,576.65/360,396.33
  6. Step 6: Final answer
    x = 274,955.09

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1.5x scale

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.