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Finding the Fourth Proportional to 572,633.21, 858,948.89 and 146,168.98

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Solution

The fourth proportional to 572,633.21, 858,948.89 and 146,168.98 is: 219,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,633.21 : 858,948.89 = 146,168.98 : x
  2. Step 2: Convert to fraction form
    572,633.21/858,948.89 = 146,168.98/x
  3. Step 3: Cross multiply
    572,633.21x = 858,948.89 × 146,168.98
  4. Step 4: Simplify right side
    572,633.21x = 125,551,680,245.22
  5. Step 5: Solve for x
    x = 125,551,680,245.22/572,633.21
  6. Step 6: Final answer
    x = 219,253.23

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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.