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Finding the Fourth Proportional to 370,316.81, 511,037.20 and 200,550.94

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Solution

The fourth proportional to 370,316.81, 511,037.20 and 200,550.94 is: 276,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,316.81 : 511,037.20 = 200,550.94 : x
  2. Step 2: Convert to fraction form
    370,316.81/511,037.20 = 200,550.94/x
  3. Step 3: Cross multiply
    370,316.81x = 511,037.20 × 200,550.94
  4. Step 4: Simplify right side
    370,316.81x = 102,488,989,808.06
  5. Step 5: Solve for x
    x = 102,488,989,808.06/370,316.81
  6. Step 6: Final answer
    x = 276,760.29

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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.