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Finding the Fourth Proportional to 360,663.67, 497,730.53 and 199,515.94

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Solution

The fourth proportional to 360,663.67, 497,730.53 and 199,515.94 is: 275,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,663.67 : 497,730.53 = 199,515.94 : x
  2. Step 2: Convert to fraction form
    360,663.67/497,730.53 = 199,515.94/x
  3. Step 3: Cross multiply
    360,663.67x = 497,730.53 × 199,515.94
  4. Step 4: Simplify right side
    360,663.67x = 99,305,174,559.65
  5. Step 5: Solve for x
    x = 99,305,174,559.65/360,663.67
  6. Step 6: Final answer
    x = 275,340.11

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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.