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Finding the Fourth Proportional to 357,664.86, 536,147.37 and 170,807.58

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Solution

The fourth proportional to 357,664.86, 536,147.37 and 170,807.58 is: 256,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,664.86 : 536,147.37 = 170,807.58 : x
  2. Step 2: Convert to fraction form
    357,664.86/536,147.37 = 170,807.58/x
  3. Step 3: Cross multiply
    357,664.86x = 536,147.37 × 170,807.58
  4. Step 4: Simplify right side
    357,664.86x = 91,578,034,793.06
  5. Step 5: Solve for x
    x = 91,578,034,793.06/357,664.86
  6. Step 6: Final answer
    x = 256,044.26

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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.