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Finding the Fourth Proportional to 306,708.80, 460,063.20 and 96,346.40

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Solution

The fourth proportional to 306,708.80, 460,063.20 and 96,346.40 is: 144,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,708.80 : 460,063.20 = 96,346.40 : x
  2. Step 2: Convert to fraction form
    306,708.80/460,063.20 = 96,346.40/x
  3. Step 3: Cross multiply
    306,708.80x = 460,063.20 × 96,346.40
  4. Step 4: Simplify right side
    306,708.80x = 44,325,433,092.48
  5. Step 5: Solve for x
    x = 44,325,433,092.48/306,708.80
  6. Step 6: Final answer
    x = 144,519.60

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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.