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Finding the Fourth Proportional to 325,065.60, 487,598.40 and 269,769.60

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Solution

The fourth proportional to 325,065.60, 487,598.40 and 269,769.60 is: 404,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,065.60 : 487,598.40 = 269,769.60 : x
  2. Step 2: Convert to fraction form
    325,065.60/487,598.40 = 269,769.60/x
  3. Step 3: Cross multiply
    325,065.60x = 487,598.40 × 269,769.60
  4. Step 4: Simplify right side
    325,065.60x = 131,539,225,328.64
  5. Step 5: Solve for x
    x = 131,539,225,328.64/325,065.60
  6. Step 6: Final answer
    x = 404,654.40

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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.