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Finding the Fourth Proportional to 365,317.70, 547,495.40 and 154,695.02

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Solution

The fourth proportional to 365,317.70, 547,495.40 and 154,695.02 is: 231,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,317.70 : 547,495.40 = 154,695.02 : x
  2. Step 2: Convert to fraction form
    365,317.70/547,495.40 = 154,695.02/x
  3. Step 3: Cross multiply
    365,317.70x = 547,495.40 × 154,695.02
  4. Step 4: Simplify right side
    365,317.70x = 84,694,808,341.96
  5. Step 5: Solve for x
    x = 84,694,808,341.96/365,317.70
  6. Step 6: Final answer
    x = 231,838.78

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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.