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Finding the Fourth Proportional to 616,190.06, 850,359.59 and 344,287.91

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Solution

The fourth proportional to 616,190.06, 850,359.59 and 344,287.91 is: 475,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,190.06 : 850,359.59 = 344,287.91 : x
  2. Step 2: Convert to fraction form
    616,190.06/850,359.59 = 344,287.91/x
  3. Step 3: Cross multiply
    616,190.06x = 850,359.59 × 344,287.91
  4. Step 4: Simplify right side
    616,190.06x = 292,768,525,989.56
  5. Step 5: Solve for x
    x = 292,768,525,989.56/616,190.06
  6. Step 6: Final answer
    x = 475,126.99

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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.