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Finding the Fourth Proportional to 302,506.80, 453,760.20 and 92,117.40

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Solution

The fourth proportional to 302,506.80, 453,760.20 and 92,117.40 is: 138,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,506.80 : 453,760.20 = 92,117.40 : x
  2. Step 2: Convert to fraction form
    302,506.80/453,760.20 = 92,117.40/x
  3. Step 3: Cross multiply
    302,506.80x = 453,760.20 × 92,117.40
  4. Step 4: Simplify right side
    302,506.80x = 41,799,209,847.48
  5. Step 5: Solve for x
    x = 41,799,209,847.48/302,506.80
  6. Step 6: Final answer
    x = 138,176.10

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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.