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Finding the Fourth Proportional to 260,983.70, 360,182.78 and 146,281.83

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Solution

The fourth proportional to 260,983.70, 360,182.78 and 146,281.83 is: 201,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,983.70 : 360,182.78 = 146,281.83 : x
  2. Step 2: Convert to fraction form
    260,983.70/360,182.78 = 146,281.83/x
  3. Step 3: Cross multiply
    260,983.70x = 360,182.78 × 146,281.83
  4. Step 4: Simplify right side
    260,983.70x = 52,688,196,558.59
  5. Step 5: Solve for x
    x = 52,688,196,558.59/260,983.70
  6. Step 6: Final answer
    x = 201,883.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.