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Finding the Fourth Proportional to 470,384.46, 648,987.53 and 266,402.97

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Solution

The fourth proportional to 470,384.46, 648,987.53 and 266,402.97 is: 367,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,384.46 : 648,987.53 = 266,402.97 : x
  2. Step 2: Convert to fraction form
    470,384.46/648,987.53 = 266,402.97/x
  3. Step 3: Cross multiply
    470,384.46x = 648,987.53 × 266,402.97
  4. Step 4: Simplify right side
    470,384.46x = 172,892,204,152.95
  5. Step 5: Solve for x
    x = 172,892,204,152.95/470,384.46
  6. Step 6: Final answer
    x = 367,555.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.