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Finding the Fourth Proportional to 302,495.70, 453,743.55 and 169,785.30

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Solution

The fourth proportional to 302,495.70, 453,743.55 and 169,785.30 is: 254,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,495.70 : 453,743.55 = 169,785.30 : x
  2. Step 2: Convert to fraction form
    302,495.70/453,743.55 = 169,785.30/x
  3. Step 3: Cross multiply
    302,495.70x = 453,743.55 × 169,785.30
  4. Step 4: Simplify right side
    302,495.70x = 77,038,984,759.82
  5. Step 5: Solve for x
    x = 77,038,984,759.82/302,495.70
  6. Step 6: Final answer
    x = 254,677.95

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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.