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Finding the Fourth Proportional to 616,040.28, 850,133.40 and 357,954.84

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Solution

The fourth proportional to 616,040.28, 850,133.40 and 357,954.84 is: 493,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,040.28 : 850,133.40 = 357,954.84 : x
  2. Step 2: Convert to fraction form
    616,040.28/850,133.40 = 357,954.84/x
  3. Step 3: Cross multiply
    616,040.28x = 850,133.40 × 357,954.84
  4. Step 4: Simplify right side
    616,040.28x = 304,309,365,175.66
  5. Step 5: Solve for x
    x = 304,309,365,175.66/616,040.28
  6. Step 6: Final answer
    x = 493,976.41

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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.