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Finding the Fourth Proportional to 323,484.13, 446,409.87 and 187,598.64

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Solution

The fourth proportional to 323,484.13, 446,409.87 and 187,598.64 is: 258,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,484.13 : 446,409.87 = 187,598.64 : x
  2. Step 2: Convert to fraction form
    323,484.13/446,409.87 = 187,598.64/x
  3. Step 3: Cross multiply
    323,484.13x = 446,409.87 × 187,598.64
  4. Step 4: Simplify right side
    323,484.13x = 83,745,885,465.12
  5. Step 5: Solve for x
    x = 83,745,885,465.12/323,484.13
  6. Step 6: Final answer
    x = 258,887.15

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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.