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Finding the Fourth Proportional to 563,599.80, 845,432.10 and 164,302.20

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Solution

The fourth proportional to 563,599.80, 845,432.10 and 164,302.20 is: 246,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,599.80 : 845,432.10 = 164,302.20 : x
  2. Step 2: Convert to fraction form
    563,599.80/845,432.10 = 164,302.20/x
  3. Step 3: Cross multiply
    563,599.80x = 845,432.10 × 164,302.20
  4. Step 4: Simplify right side
    563,599.80x = 138,906,353,980.62
  5. Step 5: Solve for x
    x = 138,906,353,980.62/563,599.80
  6. Step 6: Final answer
    x = 246,462.75

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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.