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Finding the Fourth Proportional to 463,580.38, 695,607.88 and 220,696.32

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Solution

The fourth proportional to 463,580.38, 695,607.88 and 220,696.32 is: 331,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,580.38 : 695,607.88 = 220,696.32 : x
  2. Step 2: Convert to fraction form
    463,580.38/695,607.88 = 220,696.32/x
  3. Step 3: Cross multiply
    463,580.38x = 695,607.88 × 220,696.32
  4. Step 4: Simplify right side
    463,580.38x = 153,518,099,279.00
  5. Step 5: Solve for x
    x = 153,518,099,279.00/463,580.38
  6. Step 6: Final answer
    x = 331,157.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.