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Finding the Fourth Proportional to 369,576.16, 510,015.14 and 199,810.24

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Solution

The fourth proportional to 369,576.16, 510,015.14 and 199,810.24 is: 275,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,576.16 : 510,015.14 = 199,810.24 : x
  2. Step 2: Convert to fraction form
    369,576.16/510,015.14 = 199,810.24/x
  3. Step 3: Cross multiply
    369,576.16x = 510,015.14 × 199,810.24
  4. Step 4: Simplify right side
    369,576.16x = 101,906,247,527.03
  5. Step 5: Solve for x
    x = 101,906,247,527.03/369,576.16
  6. Step 6: Final answer
    x = 275,738.15

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Half scale
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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.