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Finding the Fourth Proportional to 370,635.68, 511,463.48 and 200,866.16

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Solution

The fourth proportional to 370,635.68, 511,463.48 and 200,866.16 is: 277,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,635.68 : 511,463.48 = 200,866.16 : x
  2. Step 2: Convert to fraction form
    370,635.68/511,463.48 = 200,866.16/x
  3. Step 3: Cross multiply
    370,635.68x = 511,463.48 × 200,866.16
  4. Step 4: Simplify right side
    370,635.68x = 102,735,705,207.84
  5. Step 5: Solve for x
    x = 102,735,705,207.84/370,635.68
  6. Step 6: Final answer
    x = 277,187.84

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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.