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Finding the Fourth Proportional to 298,864.72, 412,433.48 and 169,803.44

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Solution

The fourth proportional to 298,864.72, 412,433.48 and 169,803.44 is: 234,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,864.72 : 412,433.48 = 169,803.44 : x
  2. Step 2: Convert to fraction form
    298,864.72/412,433.48 = 169,803.44/x
  3. Step 3: Cross multiply
    298,864.72x = 412,433.48 × 169,803.44
  4. Step 4: Simplify right side
    298,864.72x = 70,032,623,675.17
  5. Step 5: Solve for x
    x = 70,032,623,675.17/298,864.72
  6. Step 6: Final answer
    x = 234,328.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.