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Finding the Fourth Proportional to 302,863.80, 454,317.30 and 92,501.40

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Solution

The fourth proportional to 302,863.80, 454,317.30 and 92,501.40 is: 138,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,863.80 : 454,317.30 = 92,501.40 : x
  2. Step 2: Convert to fraction form
    302,863.80/454,317.30 = 92,501.40/x
  3. Step 3: Cross multiply
    302,863.80x = 454,317.30 × 92,501.40
  4. Step 4: Simplify right side
    302,863.80x = 42,024,986,294.22
  5. Step 5: Solve for x
    x = 42,024,986,294.22/302,863.80
  6. Step 6: Final answer
    x = 138,758.70

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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.