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Finding the Fourth Proportional to 528,026.80, 792,040.20 and 248,090.80

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Solution

The fourth proportional to 528,026.80, 792,040.20 and 248,090.80 is: 372,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,026.80 : 792,040.20 = 248,090.80 : x
  2. Step 2: Convert to fraction form
    528,026.80/792,040.20 = 248,090.80/x
  3. Step 3: Cross multiply
    528,026.80x = 792,040.20 × 248,090.80
  4. Step 4: Simplify right side
    528,026.80x = 196,497,886,850.16
  5. Step 5: Solve for x
    x = 196,497,886,850.16/528,026.80
  6. Step 6: Final answer
    x = 372,136.20

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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.