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Finding the Fourth Proportional to 268,989.60, 403,484.40 and 164,013.60

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Solution

The fourth proportional to 268,989.60, 403,484.40 and 164,013.60 is: 246,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,989.60 : 403,484.40 = 164,013.60 : x
  2. Step 2: Convert to fraction form
    268,989.60/403,484.40 = 164,013.60/x
  3. Step 3: Cross multiply
    268,989.60x = 403,484.40 × 164,013.60
  4. Step 4: Simplify right side
    268,989.60x = 66,176,928,987.84
  5. Step 5: Solve for x
    x = 66,176,928,987.84/268,989.60
  6. Step 6: Final answer
    x = 246,020.40

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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.