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Finding the Fourth Proportional to 528,052.90, 792,079.35 and 191,092.90

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Solution

The fourth proportional to 528,052.90, 792,079.35 and 191,092.90 is: 286,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,052.90 : 792,079.35 = 191,092.90 : x
  2. Step 2: Convert to fraction form
    528,052.90/792,079.35 = 191,092.90/x
  3. Step 3: Cross multiply
    528,052.90x = 792,079.35 × 191,092.90
  4. Step 4: Simplify right side
    528,052.90x = 151,360,740,021.62
  5. Step 5: Solve for x
    x = 151,360,740,021.62/528,052.90
  6. Step 6: Final answer
    x = 286,639.35

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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.