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Finding the Fourth Proportional to 435,904.91, 601,817.16 and 345,625.55

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Solution

The fourth proportional to 435,904.91, 601,817.16 and 345,625.55 is: 477,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,904.91 : 601,817.16 = 345,625.55 : x
  2. Step 2: Convert to fraction form
    435,904.91/601,817.16 = 345,625.55/x
  3. Step 3: Cross multiply
    435,904.91x = 601,817.16 × 345,625.55
  4. Step 4: Simplify right side
    435,904.91x = 208,003,386,924.44
  5. Step 5: Solve for x
    x = 208,003,386,924.44/435,904.91
  6. Step 6: Final answer
    x = 477,176.06

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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.