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Finding the Fourth Proportional to 360,510.75, 497,496.60 and 199,367.19

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Solution

The fourth proportional to 360,510.75, 497,496.60 and 199,367.19 is: 275,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,510.75 : 497,496.60 = 199,367.19 : x
  2. Step 2: Convert to fraction form
    360,510.75/497,496.60 = 199,367.19/x
  3. Step 3: Cross multiply
    360,510.75x = 497,496.60 × 199,367.19
  4. Step 4: Simplify right side
    360,510.75x = 99,184,499,176.55
  5. Step 5: Solve for x
    x = 99,184,499,176.55/360,510.75
  6. Step 6: Final answer
    x = 275,122.17

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Double scale
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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.