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Finding the Fourth Proportional to 406,500.03, 609,530.13 and 322,798.68

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Solution

The fourth proportional to 406,500.03, 609,530.13 and 322,798.68 is: 484,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,500.03 : 609,530.13 = 322,798.68 : x
  2. Step 2: Convert to fraction form
    406,500.03/609,530.13 = 322,798.68/x
  3. Step 3: Cross multiply
    406,500.03x = 609,530.13 × 322,798.68
  4. Step 4: Simplify right side
    406,500.03x = 196,755,521,384.23
  5. Step 5: Solve for x
    x = 196,755,521,384.23/406,500.03
  6. Step 6: Final answer
    x = 484,023.39

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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.