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Finding the Fourth Proportional to 341,710.80, 512,566.20 and 191,955.98

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Solution

The fourth proportional to 341,710.80, 512,566.20 and 191,955.98 is: 287,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,710.80 : 512,566.20 = 191,955.98 : x
  2. Step 2: Convert to fraction form
    341,710.80/512,566.20 = 191,955.98/x
  3. Step 3: Cross multiply
    341,710.80x = 512,566.20 × 191,955.98
  4. Step 4: Simplify right side
    341,710.80x = 98,390,144,673.05
  5. Step 5: Solve for x
    x = 98,390,144,673.05/341,710.80
  6. Step 6: Final answer
    x = 287,933.96

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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.