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Finding the Fourth Proportional to 615,988.04, 850,054.53 and 344,059.80

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Solution

The fourth proportional to 615,988.04, 850,054.53 and 344,059.80 is: 474,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,988.04 : 850,054.53 = 344,059.80 : x
  2. Step 2: Convert to fraction form
    615,988.04/850,054.53 = 344,059.80/x
  3. Step 3: Cross multiply
    615,988.04x = 850,054.53 × 344,059.80
  4. Step 4: Simplify right side
    615,988.04x = 292,469,589,683.41
  5. Step 5: Solve for x
    x = 292,469,589,683.41/615,988.04
  6. Step 6: Final answer
    x = 474,797.52

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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.