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Finding the Fourth Proportional to 555,632, 833,589.12 and 161,648

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Solution

The fourth proportional to 555,632, 833,589.12 and 161,648 is: 242,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,632 : 833,589.12 = 161,648 : x
  2. Step 2: Convert to fraction form
    555,632/833,589.12 = 161,648/x
  3. Step 3: Cross multiply
    555,632x = 833,589.12 × 161,648
  4. Step 4: Simplify right side
    555,632x = 134,748,014,069.76
  5. Step 5: Solve for x
    x = 134,748,014,069.76/555,632
  6. Step 6: Final answer
    x = 242,513.06

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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.