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Finding the Fourth Proportional to 306,725.40, 460,055.70 and 96,352.20

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Solution

The fourth proportional to 306,725.40, 460,055.70 and 96,352.20 is: 144,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,725.40 : 460,055.70 = 96,352.20 : x
  2. Step 2: Convert to fraction form
    306,725.40/460,055.70 = 96,352.20/x
  3. Step 3: Cross multiply
    306,725.40x = 460,055.70 × 96,352.20
  4. Step 4: Simplify right side
    306,725.40x = 44,327,378,817.54
  5. Step 5: Solve for x
    x = 44,327,378,817.54/306,725.40
  6. Step 6: Final answer
    x = 144,518.12

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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.