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Finding the Fourth Proportional to 341,834.80, 512,752.20 and 302,468.80

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Solution

The fourth proportional to 341,834.80, 512,752.20 and 302,468.80 is: 453,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,834.80 : 512,752.20 = 302,468.80 : x
  2. Step 2: Convert to fraction form
    341,834.80/512,752.20 = 302,468.80/x
  3. Step 3: Cross multiply
    341,834.80x = 512,752.20 × 302,468.80
  4. Step 4: Simplify right side
    341,834.80x = 155,091,542,631.36
  5. Step 5: Solve for x
    x = 155,091,542,631.36/341,834.80
  6. Step 6: Final answer
    x = 453,703.20

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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.