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Finding the Fourth Proportional to 344,834.80, 516,085.80 and 302,844.40

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Solution

The fourth proportional to 344,834.80, 516,085.80 and 302,844.40 is: 453,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,834.80 : 516,085.80 = 302,844.40 : x
  2. Step 2: Convert to fraction form
    344,834.80/516,085.80 = 302,844.40/x
  3. Step 3: Cross multiply
    344,834.80x = 516,085.80 × 302,844.40
  4. Step 4: Simplify right side
    344,834.80x = 156,293,694,449.52
  5. Step 5: Solve for x
    x = 156,293,694,449.52/344,834.80
  6. Step 6: Final answer
    x = 453,242.23

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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.