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Finding the Fourth Proportional to 309,087.04, 463,630.56 and 168,769.12

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Solution

The fourth proportional to 309,087.04, 463,630.56 and 168,769.12 is: 253,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,087.04 : 463,630.56 = 168,769.12 : x
  2. Step 2: Convert to fraction form
    309,087.04/463,630.56 = 168,769.12/x
  3. Step 3: Cross multiply
    309,087.04x = 463,630.56 × 168,769.12
  4. Step 4: Simplify right side
    309,087.04x = 78,246,521,616.31
  5. Step 5: Solve for x
    x = 78,246,521,616.31/309,087.04
  6. Step 6: Final answer
    x = 253,153.68

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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.