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Finding the Fourth Proportional to 351,199.67, 484,656.76 and 190,054.67

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Solution

The fourth proportional to 351,199.67, 484,656.76 and 190,054.67 is: 262,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,199.67 : 484,656.76 = 190,054.67 : x
  2. Step 2: Convert to fraction form
    351,199.67/484,656.76 = 190,054.67/x
  3. Step 3: Cross multiply
    351,199.67x = 484,656.76 × 190,054.67
  4. Step 4: Simplify right side
    351,199.67x = 92,111,281,125.55
  5. Step 5: Solve for x
    x = 92,111,281,125.55/351,199.67
  6. Step 6: Final answer
    x = 262,276.11

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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.