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Finding the Fourth Proportional to 348,957.60, 523,436.40 and 325,629.60

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Solution

The fourth proportional to 348,957.60, 523,436.40 and 325,629.60 is: 488,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,957.60 : 523,436.40 = 325,629.60 : x
  2. Step 2: Convert to fraction form
    348,957.60/523,436.40 = 325,629.60/x
  3. Step 3: Cross multiply
    348,957.60x = 523,436.40 × 325,629.60
  4. Step 4: Simplify right side
    348,957.60x = 170,446,385,557.44
  5. Step 5: Solve for x
    x = 170,446,385,557.44/348,957.60
  6. Step 6: Final answer
    x = 488,444.40

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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.