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Finding the Fourth Proportional to 370,036.45, 510,650.30 and 200,270.57

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Solution

The fourth proportional to 370,036.45, 510,650.30 and 200,270.57 is: 276,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,036.45 : 510,650.30 = 200,270.57 : x
  2. Step 2: Convert to fraction form
    370,036.45/510,650.30 = 200,270.57/x
  3. Step 3: Cross multiply
    370,036.45x = 510,650.30 × 200,270.57
  4. Step 4: Simplify right side
    370,036.45x = 102,268,226,651.67
  5. Step 5: Solve for x
    x = 102,268,226,651.67/370,036.45
  6. Step 6: Final answer
    x = 276,373.39

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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.