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Finding the Fourth Proportional to 269,509.60, 403,486.80 and 164,533.60

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Solution

The fourth proportional to 269,509.60, 403,486.80 and 164,533.60 is: 246,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,509.60 : 403,486.80 = 164,533.60 : x
  2. Step 2: Convert to fraction form
    269,509.60/403,486.80 = 164,533.60/x
  3. Step 3: Cross multiply
    269,509.60x = 403,486.80 × 164,533.60
  4. Step 4: Simplify right side
    269,509.60x = 66,387,135,756.48
  5. Step 5: Solve for x
    x = 66,387,135,756.48/269,509.60
  6. Step 6: Final answer
    x = 246,325.68

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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.