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Finding the Fourth Proportional to 406,803.41, 610,125.77 and 299,186.61

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Solution

The fourth proportional to 406,803.41, 610,125.77 and 299,186.61 is: 448,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,803.41 : 610,125.77 = 299,186.61 : x
  2. Step 2: Convert to fraction form
    406,803.41/610,125.77 = 299,186.61/x
  3. Step 3: Cross multiply
    406,803.41x = 610,125.77 × 299,186.61
  4. Step 4: Simplify right side
    406,803.41x = 182,541,461,008.97
  5. Step 5: Solve for x
    x = 182,541,461,008.97/406,803.41
  6. Step 6: Final answer
    x = 448,721.56

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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.