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Finding the Fourth Proportional to 522,810.45, 784,325.03 and 167,860.35

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Solution

The fourth proportional to 522,810.45, 784,325.03 and 167,860.35 is: 251,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,810.45 : 784,325.03 = 167,860.35 : x
  2. Step 2: Convert to fraction form
    522,810.45/784,325.03 = 167,860.35/x
  3. Step 3: Cross multiply
    522,810.45x = 784,325.03 × 167,860.35
  4. Step 4: Simplify right side
    522,810.45x = 131,657,073,210.26
  5. Step 5: Solve for x
    x = 131,657,073,210.26/522,810.45
  6. Step 6: Final answer
    x = 251,825.63

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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.