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Finding the Fourth Proportional to 615,767.93, 850,346.59 and 582,221.17

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Solution

The fourth proportional to 615,767.93, 850,346.59 and 582,221.17 is: 804,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,767.93 : 850,346.59 = 582,221.17 : x
  2. Step 2: Convert to fraction form
    615,767.93/850,346.59 = 582,221.17/x
  3. Step 3: Cross multiply
    615,767.93x = 850,346.59 × 582,221.17
  4. Step 4: Simplify right side
    615,767.93x = 495,089,780,828.03
  5. Step 5: Solve for x
    x = 495,089,780,828.03/615,767.93
  6. Step 6: Final answer
    x = 804,020.08

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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.