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Finding the Fourth Proportional to 302,502.60, 453,753.90 and 231,643.80

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Solution

The fourth proportional to 302,502.60, 453,753.90 and 231,643.80 is: 347,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,502.60 : 453,753.90 = 231,643.80 : x
  2. Step 2: Convert to fraction form
    302,502.60/453,753.90 = 231,643.80/x
  3. Step 3: Cross multiply
    302,502.60x = 453,753.90 × 231,643.80
  4. Step 4: Simplify right side
    302,502.60x = 105,109,277,660.82
  5. Step 5: Solve for x
    x = 105,109,277,660.82/302,502.60
  6. Step 6: Final answer
    x = 347,465.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.