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Finding the Fourth Proportional to 346,053.20, 519,468.60 and 267,515.60

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Solution

The fourth proportional to 346,053.20, 519,468.60 and 267,515.60 is: 401,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,053.20 : 519,468.60 = 267,515.60 : x
  2. Step 2: Convert to fraction form
    346,053.20/519,468.60 = 267,515.60/x
  3. Step 3: Cross multiply
    346,053.20x = 519,468.60 × 267,515.60
  4. Step 4: Simplify right side
    346,053.20x = 138,965,954,210.16
  5. Step 5: Solve for x
    x = 138,965,954,210.16/346,053.20
  6. Step 6: Final answer
    x = 401,573.96

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1.5x scale

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.