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Finding the Fourth Proportional to 346,404, 519,621.12 and 109,764.12

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Solution

The fourth proportional to 346,404, 519,621.12 and 109,764.12 is: 164,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,404 : 519,621.12 = 109,764.12 : x
  2. Step 2: Convert to fraction form
    346,404/519,621.12 = 109,764.12/x
  3. Step 3: Cross multiply
    346,404x = 519,621.12 × 109,764.12
  4. Step 4: Simplify right side
    346,404x = 57,035,754,970.21
  5. Step 5: Solve for x
    x = 57,035,754,970.21/346,404
  6. Step 6: Final answer
    x = 164,650.97

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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.