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Finding the Fourth Proportional to 335,369.95, 503,000.22 and 98,657.29

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Solution

The fourth proportional to 335,369.95, 503,000.22 and 98,657.29 is: 147,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,369.95 : 503,000.22 = 98,657.29 : x
  2. Step 2: Convert to fraction form
    335,369.95/503,000.22 = 98,657.29/x
  3. Step 3: Cross multiply
    335,369.95x = 503,000.22 × 98,657.29
  4. Step 4: Simplify right side
    335,369.95x = 49,624,638,574.60
  5. Step 5: Solve for x
    x = 49,624,638,574.60/335,369.95
  6. Step 6: Final answer
    x = 147,969.84

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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.