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Finding the Fourth Proportional to 322,888.60, 484,351.11 and 98,256.35

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Solution

The fourth proportional to 322,888.60, 484,351.11 and 98,256.35 is: 147,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,888.60 : 484,351.11 = 98,256.35 : x
  2. Step 2: Convert to fraction form
    322,888.60/484,351.11 = 98,256.35/x
  3. Step 3: Cross multiply
    322,888.60x = 484,351.11 × 98,256.35
  4. Step 4: Simplify right side
    322,888.60x = 47,590,572,187.05
  5. Step 5: Solve for x
    x = 47,590,572,187.05/322,888.60
  6. Step 6: Final answer
    x = 147,390.07

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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.