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Finding the Fourth Proportional to 370,490.63, 511,277.54 and 200,724.75

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Solution

The fourth proportional to 370,490.63, 511,277.54 and 200,724.75 is: 277,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,490.63 : 511,277.54 = 200,724.75 : x
  2. Step 2: Convert to fraction form
    370,490.63/511,277.54 = 200,724.75/x
  3. Step 3: Cross multiply
    370,490.63x = 511,277.54 × 200,724.75
  4. Step 4: Simplify right side
    370,490.63x = 102,626,055,393.49
  5. Step 5: Solve for x
    x = 102,626,055,393.49/370,490.63
  6. Step 6: Final answer
    x = 277,000.41

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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.