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Finding the Fourth Proportional to 468,185.99, 646,092.05 and 253,321.34

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Solution

The fourth proportional to 468,185.99, 646,092.05 and 253,321.34 is: 349,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,185.99 : 646,092.05 = 253,321.34 : x
  2. Step 2: Convert to fraction form
    468,185.99/646,092.05 = 253,321.34/x
  3. Step 3: Cross multiply
    468,185.99x = 646,092.05 × 253,321.34
  4. Step 4: Simplify right side
    468,185.99x = 163,668,899,372.28
  5. Step 5: Solve for x
    x = 163,668,899,372.28/468,185.99
  6. Step 6: Final answer
    x = 349,580.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.