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Finding the Fourth Proportional to 463,580.07, 639,630.84 and 262,376.07

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Solution

The fourth proportional to 463,580.07, 639,630.84 and 262,376.07 is: 362,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,580.07 : 639,630.84 = 262,376.07 : x
  2. Step 2: Convert to fraction form
    463,580.07/639,630.84 = 262,376.07/x
  3. Step 3: Cross multiply
    463,580.07x = 639,630.84 × 262,376.07
  4. Step 4: Simplify right side
    463,580.07x = 167,823,826,050.00
  5. Step 5: Solve for x
    x = 167,823,826,050.00/463,580.07
  6. Step 6: Final answer
    x = 362,016.91

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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.