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Finding the Fourth Proportional to 312,383.40, 468,084.36 and 241,479.72

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Solution

The fourth proportional to 312,383.40, 468,084.36 and 241,479.72 is: 361,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,383.40 : 468,084.36 = 241,479.72 : x
  2. Step 2: Convert to fraction form
    312,383.40/468,084.36 = 241,479.72/x
  3. Step 3: Cross multiply
    312,383.40x = 468,084.36 × 241,479.72
  4. Step 4: Simplify right side
    312,383.40x = 113,032,880,189.18
  5. Step 5: Solve for x
    x = 113,032,880,189.18/312,383.40
  6. Step 6: Final answer
    x = 361,840.23

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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.