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Finding the Fourth Proportional to 528,165.44, 792,192 and 149,076.80

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Solution

The fourth proportional to 528,165.44, 792,192 and 149,076.80 is: 223,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,165.44 : 792,192 = 149,076.80 : x
  2. Step 2: Convert to fraction form
    528,165.44/792,192 = 149,076.80/x
  3. Step 3: Cross multiply
    528,165.44x = 792,192 × 149,076.80
  4. Step 4: Simplify right side
    528,165.44x = 118,097,448,345.60
  5. Step 5: Solve for x
    x = 118,097,448,345.60/528,165.44
  6. Step 6: Final answer
    x = 223,599.35

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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.