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Finding the Fourth Proportional to 312,022.40, 468,033.60 and 233,686.40

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Solution

The fourth proportional to 312,022.40, 468,033.60 and 233,686.40 is: 350,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,022.40 : 468,033.60 = 233,686.40 : x
  2. Step 2: Convert to fraction form
    312,022.40/468,033.60 = 233,686.40/x
  3. Step 3: Cross multiply
    312,022.40x = 468,033.60 × 233,686.40
  4. Step 4: Simplify right side
    312,022.40x = 109,373,087,063.04
  5. Step 5: Solve for x
    x = 109,373,087,063.04/312,022.40
  6. Step 6: Final answer
    x = 350,529.60

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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.