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Finding the Fourth Proportional to 385,481.84, 577,911.11 and 161,014.23

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Solution

The fourth proportional to 385,481.84, 577,911.11 and 161,014.23 is: 241,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,481.84 : 577,911.11 = 161,014.23 : x
  2. Step 2: Convert to fraction form
    385,481.84/577,911.11 = 161,014.23/x
  3. Step 3: Cross multiply
    385,481.84x = 577,911.11 × 161,014.23
  4. Step 4: Simplify right side
    385,481.84x = 93,051,911,580.02
  5. Step 5: Solve for x
    x = 93,051,911,580.02/385,481.84
  6. Step 6: Final answer
    x = 241,391.17

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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.