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Finding the Fourth Proportional to 488,525.04, 674,152.40 and 273,663.68

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Solution

The fourth proportional to 488,525.04, 674,152.40 and 273,663.68 is: 377,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,525.04 : 674,152.40 = 273,663.68 : x
  2. Step 2: Convert to fraction form
    488,525.04/674,152.40 = 273,663.68/x
  3. Step 3: Cross multiply
    488,525.04x = 674,152.40 × 273,663.68
  4. Step 4: Simplify right side
    488,525.04x = 184,491,026,664.83
  5. Step 5: Solve for x
    x = 184,491,026,664.83/488,525.04
  6. Step 6: Final answer
    x = 377,649.07

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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.