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Finding the Fourth Proportional to 322,747.60, 484,056.60 and 154,267.60

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Solution

The fourth proportional to 322,747.60, 484,056.60 and 154,267.60 is: 231,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,747.60 : 484,056.60 = 154,267.60 : x
  2. Step 2: Convert to fraction form
    322,747.60/484,056.60 = 154,267.60/x
  3. Step 3: Cross multiply
    322,747.60x = 484,056.60 × 154,267.60
  4. Step 4: Simplify right side
    322,747.60x = 74,674,249,946.16
  5. Step 5: Solve for x
    x = 74,674,249,946.16/322,747.60
  6. Step 6: Final answer
    x = 231,370.43

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1.5x scale

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.