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Finding the Fourth Proportional to 531,451.80, 796,937.81 and 152,285.81

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Solution

The fourth proportional to 531,451.80, 796,937.81 and 152,285.81 is: 228,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,451.80 : 796,937.81 = 152,285.81 : x
  2. Step 2: Convert to fraction form
    531,451.80/796,937.81 = 152,285.81/x
  3. Step 3: Cross multiply
    531,451.80x = 796,937.81 × 152,285.81
  4. Step 4: Simplify right side
    531,451.80x = 121,362,315,169.36
  5. Step 5: Solve for x
    x = 121,362,315,169.36/531,451.80
  6. Step 6: Final answer
    x = 228,359.97

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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.