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Finding the Fourth Proportional to 543,161.59, 749,222.05 and 322,242.48

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Solution

The fourth proportional to 543,161.59, 749,222.05 and 322,242.48 is: 444,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,161.59 : 749,222.05 = 322,242.48 : x
  2. Step 2: Convert to fraction form
    543,161.59/749,222.05 = 322,242.48/x
  3. Step 3: Cross multiply
    543,161.59x = 749,222.05 × 322,242.48
  4. Step 4: Simplify right side
    543,161.59x = 241,431,168,251.55
  5. Step 5: Solve for x
    x = 241,431,168,251.55/543,161.59
  6. Step 6: Final answer
    x = 444,492.34

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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.