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Finding the Fourth Proportional to 302,008.20, 453,303.90 and 183,910.20

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Solution

The fourth proportional to 302,008.20, 453,303.90 and 183,910.20 is: 276,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,008.20 : 453,303.90 = 183,910.20 : x
  2. Step 2: Convert to fraction form
    302,008.20/453,303.90 = 183,910.20/x
  3. Step 3: Cross multiply
    302,008.20x = 453,303.90 × 183,910.20
  4. Step 4: Simplify right side
    302,008.20x = 83,367,210,909.78
  5. Step 5: Solve for x
    x = 83,367,210,909.78/302,008.20
  6. Step 6: Final answer
    x = 276,042.87

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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.