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Finding the Fourth Proportional to 528,058.85, 792,134.84 and 148,982.90

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Solution

The fourth proportional to 528,058.85, 792,134.84 and 148,982.90 is: 223,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,058.85 : 792,134.84 = 148,982.90 : x
  2. Step 2: Convert to fraction form
    528,058.85/792,134.84 = 148,982.90/x
  3. Step 3: Cross multiply
    528,058.85x = 792,134.84 × 148,982.90
  4. Step 4: Simplify right side
    528,058.85x = 118,014,542,066.02
  5. Step 5: Solve for x
    x = 118,014,542,066.02/528,058.85
  6. Step 6: Final answer
    x = 223,487.48

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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.