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Finding the Fourth Proportional to 306,725.60, 460,102.80 and 96,370.40

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Solution

The fourth proportional to 306,725.60, 460,102.80 and 96,370.40 is: 144,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,725.60 : 460,102.80 = 96,370.40 : x
  2. Step 2: Convert to fraction form
    306,725.60/460,102.80 = 96,370.40/x
  3. Step 3: Cross multiply
    306,725.60x = 460,102.80 × 96,370.40
  4. Step 4: Simplify right side
    306,725.60x = 44,340,290,877.12
  5. Step 5: Solve for x
    x = 44,340,290,877.12/306,725.60
  6. Step 6: Final answer
    x = 144,560.12

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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.