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Finding the Fourth Proportional to 353,590.77, 488,047.10 and 224,591.25

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Solution

The fourth proportional to 353,590.77, 488,047.10 and 224,591.25 is: 309,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,590.77 : 488,047.10 = 224,591.25 : x
  2. Step 2: Convert to fraction form
    353,590.77/488,047.10 = 224,591.25/x
  3. Step 3: Cross multiply
    353,590.77x = 488,047.10 × 224,591.25
  4. Step 4: Simplify right side
    353,590.77x = 109,611,107,124.92
  5. Step 5: Solve for x
    x = 109,611,107,124.92/353,590.77
  6. Step 6: Final answer
    x = 309,994.25

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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.