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Finding the Fourth Proportional to 268,029.62, 401,518.83 and 155,473.30

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Solution

The fourth proportional to 268,029.62, 401,518.83 and 155,473.30 is: 232,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,029.62 : 401,518.83 = 155,473.30 : x
  2. Step 2: Convert to fraction form
    268,029.62/401,518.83 = 155,473.30/x
  3. Step 3: Cross multiply
    268,029.62x = 401,518.83 × 155,473.30
  4. Step 4: Simplify right side
    268,029.62x = 62,425,457,512.24
  5. Step 5: Solve for x
    x = 62,425,457,512.24/268,029.62
  6. Step 6: Final answer
    x = 232,905.07

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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.