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Finding the Fourth Proportional to 488,598.42, 674,293.54 and 273,807.68

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Solution

The fourth proportional to 488,598.42, 674,293.54 and 273,807.68 is: 377,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,598.42 : 674,293.54 = 273,807.68 : x
  2. Step 2: Convert to fraction form
    488,598.42/674,293.54 = 273,807.68/x
  3. Step 3: Cross multiply
    488,598.42x = 674,293.54 × 273,807.68
  4. Step 4: Simplify right side
    488,598.42x = 184,626,750,827.60
  5. Step 5: Solve for x
    x = 184,626,750,827.60/488,598.42
  6. Step 6: Final answer
    x = 377,870.13

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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.