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Finding the Fourth Proportional to 323,070.68, 484,606.14 and 145,370.12

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Solution

The fourth proportional to 323,070.68, 484,606.14 and 145,370.12 is: 218,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,070.68 : 484,606.14 = 145,370.12 : x
  2. Step 2: Convert to fraction form
    323,070.68/484,606.14 = 145,370.12/x
  3. Step 3: Cross multiply
    323,070.68x = 484,606.14 × 145,370.12
  4. Step 4: Simplify right side
    323,070.68x = 70,447,252,724.54
  5. Step 5: Solve for x
    x = 70,447,252,724.54/323,070.68
  6. Step 6: Final answer
    x = 218,055.23

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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.