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Finding the Fourth Proportional to 627,880.01, 866,468.40 and 341,400.20

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Solution

The fourth proportional to 627,880.01, 866,468.40 and 341,400.20 is: 471,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,880.01 : 866,468.40 = 341,400.20 : x
  2. Step 2: Convert to fraction form
    627,880.01/866,468.40 = 341,400.20/x
  3. Step 3: Cross multiply
    627,880.01x = 866,468.40 × 341,400.20
  4. Step 4: Simplify right side
    627,880.01x = 295,812,485,053.68
  5. Step 5: Solve for x
    x = 295,812,485,053.68/627,880.01
  6. Step 6: Final answer
    x = 471,129.01

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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.