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Finding the Fourth Proportional to 619,345.17, 929,016 and 170,066.52

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Solution

The fourth proportional to 619,345.17, 929,016 and 170,066.52 is: 255,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,345.17 : 929,016 = 170,066.52 : x
  2. Step 2: Convert to fraction form
    619,345.17/929,016 = 170,066.52/x
  3. Step 3: Cross multiply
    619,345.17x = 929,016 × 170,066.52
  4. Step 4: Simplify right side
    619,345.17x = 157,994,518,144.32
  5. Step 5: Solve for x
    x = 157,994,518,144.32/619,345.17
  6. Step 6: Final answer
    x = 255,099.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.