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Finding the Fourth Proportional to 370,549.17, 511,358.27 and 200,783.43

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Solution

The fourth proportional to 370,549.17, 511,358.27 and 200,783.43 is: 277,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,549.17 : 511,358.27 = 200,783.43 : x
  2. Step 2: Convert to fraction form
    370,549.17/511,358.27 = 200,783.43/x
  3. Step 3: Cross multiply
    370,549.17x = 511,358.27 × 200,783.43
  4. Step 4: Simplify right side
    370,549.17x = 102,672,266,405.55
  5. Step 5: Solve for x
    x = 102,672,266,405.55/370,549.17
  6. Step 6: Final answer
    x = 277,081.36

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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.