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Finding the Fourth Proportional to 306,842.40, 460,263.60 and 96,544.80

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Solution

The fourth proportional to 306,842.40, 460,263.60 and 96,544.80 is: 144,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,842.40 : 460,263.60 = 96,544.80 : x
  2. Step 2: Convert to fraction form
    306,842.40/460,263.60 = 96,544.80/x
  3. Step 3: Cross multiply
    306,842.40x = 460,263.60 × 96,544.80
  4. Step 4: Simplify right side
    306,842.40x = 44,436,057,209.28
  5. Step 5: Solve for x
    x = 44,436,057,209.28/306,842.40
  6. Step 6: Final answer
    x = 144,817.20

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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.