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Finding the Fourth Proportional to 713,530.14, 1,070,191.43 and 207,955.40

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Solution

The fourth proportional to 713,530.14, 1,070,191.43 and 207,955.40 is: 311,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,530.14 : 1,070,191.43 = 207,955.40 : x
  2. Step 2: Convert to fraction form
    713,530.14/1,070,191.43 = 207,955.40/x
  3. Step 3: Cross multiply
    713,530.14x = 1,070,191.43 × 207,955.40
  4. Step 4: Simplify right side
    713,530.14x = 222,552,086,902.22
  5. Step 5: Solve for x
    x = 222,552,086,902.22/713,530.14
  6. Step 6: Final answer
    x = 311,902.85

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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.