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Finding the Fourth Proportional to 480,153.92, 720,265.92 and 164,608.16

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Solution

The fourth proportional to 480,153.92, 720,265.92 and 164,608.16 is: 246,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,153.92 : 720,265.92 = 164,608.16 : x
  2. Step 2: Convert to fraction form
    480,153.92/720,265.92 = 164,608.16/x
  3. Step 3: Cross multiply
    480,153.92x = 720,265.92 × 164,608.16
  4. Step 4: Simplify right side
    480,153.92x = 118,561,647,801.91
  5. Step 5: Solve for x
    x = 118,561,647,801.91/480,153.92
  6. Step 6: Final answer
    x = 246,924.25

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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.