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Finding the Fourth Proportional to 627,975.36, 866,611.80 and 341,498.16

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Solution

The fourth proportional to 627,975.36, 866,611.80 and 341,498.16 is: 471,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,975.36 : 866,611.80 = 341,498.16 : x
  2. Step 2: Convert to fraction form
    627,975.36/866,611.80 = 341,498.16/x
  3. Step 3: Cross multiply
    627,975.36x = 866,611.80 × 341,498.16
  4. Step 4: Simplify right side
    627,975.36x = 295,946,335,134.29
  5. Step 5: Solve for x
    x = 295,946,335,134.29/627,975.36
  6. Step 6: Final answer
    x = 471,270.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.