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Finding the Fourth Proportional to 488,506.07, 674,130.96 and 273,653.81

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Solution

The fourth proportional to 488,506.07, 674,130.96 and 273,653.81 is: 377,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,506.07 : 674,130.96 = 273,653.81 : x
  2. Step 2: Convert to fraction form
    488,506.07/674,130.96 = 273,653.81/x
  3. Step 3: Cross multiply
    488,506.07x = 674,130.96 × 273,653.81
  4. Step 4: Simplify right side
    488,506.07x = 184,478,502,272.30
  5. Step 5: Solve for x
    x = 184,478,502,272.30/488,506.07
  6. Step 6: Final answer
    x = 377,638.10

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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.