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Finding the Fourth Proportional to 395,605.50, 593,482.65 and 158,966.94

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Solution

The fourth proportional to 395,605.50, 593,482.65 and 158,966.94 is: 238,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,605.50 : 593,482.65 = 158,966.94 : x
  2. Step 2: Convert to fraction form
    395,605.50/593,482.65 = 158,966.94/x
  3. Step 3: Cross multiply
    395,605.50x = 593,482.65 × 158,966.94
  4. Step 4: Simplify right side
    395,605.50x = 94,344,120,813.59
  5. Step 5: Solve for x
    x = 94,344,120,813.59/395,605.50
  6. Step 6: Final answer
    x = 238,480.31

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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.