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Finding the Fourth Proportional to 346,796.20, 520,194.30 and 296,057.80

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Solution

The fourth proportional to 346,796.20, 520,194.30 and 296,057.80 is: 444,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,796.20 : 520,194.30 = 296,057.80 : x
  2. Step 2: Convert to fraction form
    346,796.20/520,194.30 = 296,057.80/x
  3. Step 3: Cross multiply
    346,796.20x = 520,194.30 × 296,057.80
  4. Step 4: Simplify right side
    346,796.20x = 154,007,580,030.54
  5. Step 5: Solve for x
    x = 154,007,580,030.54/346,796.20
  6. Step 6: Final answer
    x = 444,086.70

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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.