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Finding the Fourth Proportional to 374,991.48, 562,530.86 and 131,757.80

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Solution

The fourth proportional to 374,991.48, 562,530.86 and 131,757.80 is: 197,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,991.48 : 562,530.86 = 131,757.80 : x
  2. Step 2: Convert to fraction form
    374,991.48/562,530.86 = 131,757.80/x
  3. Step 3: Cross multiply
    374,991.48x = 562,530.86 × 131,757.80
  4. Step 4: Simplify right side
    374,991.48x = 74,117,828,545.71
  5. Step 5: Solve for x
    x = 74,117,828,545.71/374,991.48
  6. Step 6: Final answer
    x = 197,652.03

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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.