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Finding the Fourth Proportional to 302,521.10, 453,781.65 and 302,521.10

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Solution

The fourth proportional to 302,521.10, 453,781.65 and 302,521.10 is: 453,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,521.10 : 453,781.65 = 302,521.10 : x
  2. Step 2: Convert to fraction form
    302,521.10/453,781.65 = 302,521.10/x
  3. Step 3: Cross multiply
    302,521.10x = 453,781.65 × 302,521.10
  4. Step 4: Simplify right side
    302,521.10x = 137,278,523,917.82
  5. Step 5: Solve for x
    x = 137,278,523,917.82/302,521.10
  6. Step 6: Final answer
    x = 453,781.65

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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.