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Finding the Fourth Proportional to 451,883.03, 623,598.52 and 258,294.87

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Solution

The fourth proportional to 451,883.03, 623,598.52 and 258,294.87 is: 356,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,883.03 : 623,598.52 = 258,294.87 : x
  2. Step 2: Convert to fraction form
    451,883.03/623,598.52 = 258,294.87/x
  3. Step 3: Cross multiply
    451,883.03x = 623,598.52 × 258,294.87
  4. Step 4: Simplify right side
    451,883.03x = 161,072,301,316.96
  5. Step 5: Solve for x
    x = 161,072,301,316.96/451,883.03
  6. Step 6: Final answer
    x = 356,446.90

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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.