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Finding the Fourth Proportional to 341,332.50, 511,979.56 and 104,674.52

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Solution

The fourth proportional to 341,332.50, 511,979.56 and 104,674.52 is: 157,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,332.50 : 511,979.56 = 104,674.52 : x
  2. Step 2: Convert to fraction form
    341,332.50/511,979.56 = 104,674.52/x
  3. Step 3: Cross multiply
    341,332.50x = 511,979.56 × 104,674.52
  4. Step 4: Simplify right side
    341,332.50x = 53,591,214,692.81
  5. Step 5: Solve for x
    x = 53,591,214,692.81/341,332.50
  6. Step 6: Final answer
    x = 157,005.90

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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.