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Finding the Fourth Proportional to 346,231.80, 519,347.70 and 196,414.20

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Solution

The fourth proportional to 346,231.80, 519,347.70 and 196,414.20 is: 294,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,231.80 : 519,347.70 = 196,414.20 : x
  2. Step 2: Convert to fraction form
    346,231.80/519,347.70 = 196,414.20/x
  3. Step 3: Cross multiply
    346,231.80x = 519,347.70 × 196,414.20
  4. Step 4: Simplify right side
    346,231.80x = 102,007,263,017.34
  5. Step 5: Solve for x
    x = 102,007,263,017.34/346,231.80
  6. Step 6: Final answer
    x = 294,621.30

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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.