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Finding the Fourth Proportional to 283,346.40, 424,630.80 and 230,858.40

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Solution

The fourth proportional to 283,346.40, 424,630.80 and 230,858.40 is: 345,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,346.40 : 424,630.80 = 230,858.40 : x
  2. Step 2: Convert to fraction form
    283,346.40/424,630.80 = 230,858.40/x
  3. Step 3: Cross multiply
    283,346.40x = 424,630.80 × 230,858.40
  4. Step 4: Simplify right side
    283,346.40x = 98,029,587,078.72
  5. Step 5: Solve for x
    x = 98,029,587,078.72/283,346.40
  6. Step 6: Final answer
    x = 345,970.82

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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.