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Finding the Fourth Proportional to 293,485.60, 440,228.40 and 106,472.80

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Solution

The fourth proportional to 293,485.60, 440,228.40 and 106,472.80 is: 159,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,485.60 : 440,228.40 = 106,472.80 : x
  2. Step 2: Convert to fraction form
    293,485.60/440,228.40 = 106,472.80/x
  3. Step 3: Cross multiply
    293,485.60x = 440,228.40 × 106,472.80
  4. Step 4: Simplify right side
    293,485.60x = 46,872,350,387.52
  5. Step 5: Solve for x
    x = 46,872,350,387.52/293,485.60
  6. Step 6: Final answer
    x = 159,709.20

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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.