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Finding the Fourth Proportional to 480,450.88, 720,693.44 and 164,905.60

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Solution

The fourth proportional to 480,450.88, 720,693.44 and 164,905.60 is: 247,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,450.88 : 720,693.44 = 164,905.60 : x
  2. Step 2: Convert to fraction form
    480,450.88/720,693.44 = 164,905.60/x
  3. Step 3: Cross multiply
    480,450.88x = 720,693.44 × 164,905.60
  4. Step 4: Simplify right side
    480,450.88x = 118,846,384,139.26
  5. Step 5: Solve for x
    x = 118,846,384,139.26/480,450.88
  6. Step 6: Final answer
    x = 247,364.28

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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.