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Finding the Fourth Proportional to 616,349.80, 850,558.53 and 344,418.37

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Solution

The fourth proportional to 616,349.80, 850,558.53 and 344,418.37 is: 475,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,349.80 : 850,558.53 = 344,418.37 : x
  2. Step 2: Convert to fraction form
    616,349.80/850,558.53 = 344,418.37/x
  3. Step 3: Cross multiply
    616,349.80x = 850,558.53 × 344,418.37
  4. Step 4: Simplify right side
    616,349.80x = 292,947,982,492.20
  5. Step 5: Solve for x
    x = 292,947,982,492.20/616,349.80
  6. Step 6: Final answer
    x = 475,295.01

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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.