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Finding the Fourth Proportional to 323,322.65, 484,984.07 and 98,684.34

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Solution

The fourth proportional to 323,322.65, 484,984.07 and 98,684.34 is: 148,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,322.65 : 484,984.07 = 98,684.34 : x
  2. Step 2: Convert to fraction form
    323,322.65/484,984.07 = 98,684.34/x
  3. Step 3: Cross multiply
    323,322.65x = 484,984.07 × 98,684.34
  4. Step 4: Simplify right side
    323,322.65x = 47,860,332,858.46
  5. Step 5: Solve for x
    x = 47,860,332,858.46/323,322.65
  6. Step 6: Final answer
    x = 148,026.54

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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.