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Finding the Fourth Proportional to 323,035.56, 484,570.08 and 98,378.64

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Solution

The fourth proportional to 323,035.56, 484,570.08 and 98,378.64 is: 147,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,035.56 : 484,570.08 = 98,378.64 : x
  2. Step 2: Convert to fraction form
    323,035.56/484,570.08 = 98,378.64/x
  3. Step 3: Cross multiply
    323,035.56x = 484,570.08 × 98,378.64
  4. Step 4: Simplify right side
    323,035.56x = 47,671,345,455.09
  5. Step 5: Solve for x
    x = 47,671,345,455.09/323,035.56
  6. Step 6: Final answer
    x = 147,573.06

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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.