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Finding the Fourth Proportional to 232,409.70, 348,614.55 and 82,818.90

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Solution

The fourth proportional to 232,409.70, 348,614.55 and 82,818.90 is: 124,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,409.70 : 348,614.55 = 82,818.90 : x
  2. Step 2: Convert to fraction form
    232,409.70/348,614.55 = 82,818.90/x
  3. Step 3: Cross multiply
    232,409.70x = 348,614.55 × 82,818.90
  4. Step 4: Simplify right side
    232,409.70x = 28,871,873,555.00
  5. Step 5: Solve for x
    x = 28,871,873,555.00/232,409.70
  6. Step 6: Final answer
    x = 124,228.35

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Half scale
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Double scale
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Similar ratio
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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.