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Finding the Fourth Proportional to 447,365.89, 617,566.43 and 294,484.33

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Solution

The fourth proportional to 447,365.89, 617,566.43 and 294,484.33 is: 406,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,365.89 : 617,566.43 = 294,484.33 : x
  2. Step 2: Convert to fraction form
    447,365.89/617,566.43 = 294,484.33/x
  3. Step 3: Cross multiply
    447,365.89x = 617,566.43 × 294,484.33
  4. Step 4: Simplify right side
    447,365.89x = 181,863,637,957.64
  5. Step 5: Solve for x
    x = 181,863,637,957.64/447,365.89
  6. Step 6: Final answer
    x = 406,521.02

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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.