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Finding the Fourth Proportional to 531,109.92, 796,743.45 and 176,045.61

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Solution

The fourth proportional to 531,109.92, 796,743.45 and 176,045.61 is: 264,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,109.92 : 796,743.45 = 176,045.61 : x
  2. Step 2: Convert to fraction form
    531,109.92/796,743.45 = 176,045.61/x
  3. Step 3: Cross multiply
    531,109.92x = 796,743.45 × 176,045.61
  4. Step 4: Simplify right side
    531,109.92x = 140,263,186,668.75
  5. Step 5: Solve for x
    x = 140,263,186,668.75/531,109.92
  6. Step 6: Final answer
    x = 264,094.46

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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.