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Finding the Fourth Proportional to 488,681.53, 674,372.04 and 273,820.93

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Solution

The fourth proportional to 488,681.53, 674,372.04 and 273,820.93 is: 377,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,681.53 : 674,372.04 = 273,820.93 : x
  2. Step 2: Convert to fraction form
    488,681.53/674,372.04 = 273,820.93/x
  3. Step 3: Cross multiply
    488,681.53x = 674,372.04 × 273,820.93
  4. Step 4: Simplify right side
    488,681.53x = 184,657,179,158.80
  5. Step 5: Solve for x
    x = 184,657,179,158.80/488,681.53
  6. Step 6: Final answer
    x = 377,868.14

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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.