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Finding the Fourth Proportional to 488,462.40, 732,110.40 and 251,683.20

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Solution

The fourth proportional to 488,462.40, 732,110.40 and 251,683.20 is: 377,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,462.40 : 732,110.40 = 251,683.20 : x
  2. Step 2: Convert to fraction form
    488,462.40/732,110.40 = 251,683.20/x
  3. Step 3: Cross multiply
    488,462.40x = 732,110.40 × 251,683.20
  4. Step 4: Simplify right side
    488,462.40x = 184,259,888,225.28
  5. Step 5: Solve for x
    x = 184,259,888,225.28/488,462.40
  6. Step 6: Final answer
    x = 377,224.30

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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.