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Finding the Fourth Proportional to 590,992.80, 886,698.65 and 291,683.49

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Solution

The fourth proportional to 590,992.80, 886,698.65 and 291,683.49 is: 437,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,992.80 : 886,698.65 = 291,683.49 : x
  2. Step 2: Convert to fraction form
    590,992.80/886,698.65 = 291,683.49/x
  3. Step 3: Cross multiply
    590,992.80x = 886,698.65 × 291,683.49
  4. Step 4: Simplify right side
    590,992.80x = 258,635,350,918.38
  5. Step 5: Solve for x
    x = 258,635,350,918.38/590,992.80
  6. Step 6: Final answer
    x = 437,628.60

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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.