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Finding the Fourth Proportional to 346,728.60, 520,092.90 and 234,754.20

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Solution

The fourth proportional to 346,728.60, 520,092.90 and 234,754.20 is: 352,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,728.60 : 520,092.90 = 234,754.20 : x
  2. Step 2: Convert to fraction form
    346,728.60/520,092.90 = 234,754.20/x
  3. Step 3: Cross multiply
    346,728.60x = 520,092.90 × 234,754.20
  4. Step 4: Simplify right side
    346,728.60x = 122,093,992,665.18
  5. Step 5: Solve for x
    x = 122,093,992,665.18/346,728.60
  6. Step 6: Final answer
    x = 352,131.30

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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.