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Finding the Fourth Proportional to 488,416.69, 732,034.54 and 251,630.20

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Solution

The fourth proportional to 488,416.69, 732,034.54 and 251,630.20 is: 377,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,416.69 : 732,034.54 = 251,630.20 : x
  2. Step 2: Convert to fraction form
    488,416.69/732,034.54 = 251,630.20/x
  3. Step 3: Cross multiply
    488,416.69x = 732,034.54 × 251,630.20
  4. Step 4: Simplify right side
    488,416.69x = 184,201,997,707.11
  5. Step 5: Solve for x
    x = 184,201,997,707.11/488,416.69
  6. Step 6: Final answer
    x = 377,141.08

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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.