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Finding the Fourth Proportional to 313,372.53, 432,455.90 and 184,316.48

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Solution

The fourth proportional to 313,372.53, 432,455.90 and 184,316.48 is: 254,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,372.53 : 432,455.90 = 184,316.48 : x
  2. Step 2: Convert to fraction form
    313,372.53/432,455.90 = 184,316.48/x
  3. Step 3: Cross multiply
    313,372.53x = 432,455.90 × 184,316.48
  4. Step 4: Simplify right side
    313,372.53x = 79,708,746,159.37
  5. Step 5: Solve for x
    x = 79,708,746,159.37/313,372.53
  6. Step 6: Final answer
    x = 254,357.80

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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.