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Finding the Fourth Proportional to 370,268.52, 510,970.80 and 200,502.76

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Solution

The fourth proportional to 370,268.52, 510,970.80 and 200,502.76 is: 276,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,268.52 : 510,970.80 = 200,502.76 : x
  2. Step 2: Convert to fraction form
    370,268.52/510,970.80 = 200,502.76/x
  3. Step 3: Cross multiply
    370,268.52x = 510,970.80 × 200,502.76
  4. Step 4: Simplify right side
    370,268.52x = 102,451,055,679.41
  5. Step 5: Solve for x
    x = 102,451,055,679.41/370,268.52
  6. Step 6: Final answer
    x = 276,693.94

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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.