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Finding the Fourth Proportional to 370,393.74, 511,143.48 and 200,627.94

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Solution

The fourth proportional to 370,393.74, 511,143.48 and 200,627.94 is: 276,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,393.74 : 511,143.48 = 200,627.94 : x
  2. Step 2: Convert to fraction form
    370,393.74/511,143.48 = 200,627.94/x
  3. Step 3: Cross multiply
    370,393.74x = 511,143.48 × 200,627.94
  4. Step 4: Simplify right side
    370,393.74x = 102,549,663,436.83
  5. Step 5: Solve for x
    x = 102,549,663,436.83/370,393.74
  6. Step 6: Final answer
    x = 276,866.62

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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.