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Finding the Fourth Proportional to 346,051.20, 519,465.60 and 267,513.60

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Solution

The fourth proportional to 346,051.20, 519,465.60 and 267,513.60 is: 401,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,051.20 : 519,465.60 = 267,513.60 : x
  2. Step 2: Convert to fraction form
    346,051.20/519,465.60 = 267,513.60/x
  3. Step 3: Cross multiply
    346,051.20x = 519,465.60 × 267,513.60
  4. Step 4: Simplify right side
    346,051.20x = 138,964,112,732.16
  5. Step 5: Solve for x
    x = 138,964,112,732.16/346,051.20
  6. Step 6: Final answer
    x = 401,570.96

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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.