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Finding the Fourth Proportional to 395,607.50, 593,485.65 and 158,968.94

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Solution

The fourth proportional to 395,607.50, 593,485.65 and 158,968.94 is: 238,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,607.50 : 593,485.65 = 158,968.94 : x
  2. Step 2: Convert to fraction form
    395,607.50/593,485.65 = 158,968.94/x
  3. Step 3: Cross multiply
    395,607.50x = 593,485.65 × 158,968.94
  4. Step 4: Simplify right side
    395,607.50x = 94,345,784,685.71
  5. Step 5: Solve for x
    x = 94,345,784,685.71/395,607.50
  6. Step 6: Final answer
    x = 238,483.31

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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.