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Finding the Fourth Proportional to 497,808.60, 746,615.70 and 165,384.60

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Solution

The fourth proportional to 497,808.60, 746,615.70 and 165,384.60 is: 248,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,808.60 : 746,615.70 = 165,384.60 : x
  2. Step 2: Convert to fraction form
    497,808.60/746,615.70 = 165,384.60/x
  3. Step 3: Cross multiply
    497,808.60x = 746,615.70 × 165,384.60
  4. Step 4: Simplify right side
    497,808.60x = 123,478,738,898.22
  5. Step 5: Solve for x
    x = 123,478,738,898.22/497,808.60
  6. Step 6: Final answer
    x = 248,044.61

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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.