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Finding the Fourth Proportional to 346,506.30, 519,200.55 and 196,299.90

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Solution

The fourth proportional to 346,506.30, 519,200.55 and 196,299.90 is: 294,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,506.30 : 519,200.55 = 196,299.90 : x
  2. Step 2: Convert to fraction form
    346,506.30/519,200.55 = 196,299.90/x
  3. Step 3: Cross multiply
    346,506.30x = 519,200.55 × 196,299.90
  4. Step 4: Simplify right side
    346,506.30x = 101,919,016,044.95
  5. Step 5: Solve for x
    x = 101,919,016,044.95/346,506.30
  6. Step 6: Final answer
    x = 294,133.23

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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.