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Finding the Fourth Proportional to 528,062.85, 792,140.84 and 148,986.90

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Solution

The fourth proportional to 528,062.85, 792,140.84 and 148,986.90 is: 223,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,062.85 : 792,140.84 = 148,986.90 : x
  2. Step 2: Convert to fraction form
    528,062.85/792,140.84 = 148,986.90/x
  3. Step 3: Cross multiply
    528,062.85x = 792,140.84 × 148,986.90
  4. Step 4: Simplify right side
    528,062.85x = 118,018,608,115.00
  5. Step 5: Solve for x
    x = 118,018,608,115.00/528,062.85
  6. Step 6: Final answer
    x = 223,493.49

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Double scale
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Similar ratio
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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.