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Finding the Fourth Proportional to 619,682.24, 929,411.52 and 164,276.48

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Solution

The fourth proportional to 619,682.24, 929,411.52 and 164,276.48 is: 246,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,682.24 : 929,411.52 = 164,276.48 : x
  2. Step 2: Convert to fraction form
    619,682.24/929,411.52 = 164,276.48/x
  3. Step 3: Cross multiply
    619,682.24x = 929,411.52 × 164,276.48
  4. Step 4: Simplify right side
    619,682.24x = 152,680,452,977.05
  5. Step 5: Solve for x
    x = 152,680,452,977.05/619,682.24
  6. Step 6: Final answer
    x = 246,385.07

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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.