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Finding the Fourth Proportional to 528,596.52, 792,894.77 and 129,232.55

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Solution

The fourth proportional to 528,596.52, 792,894.77 and 129,232.55 is: 193,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,596.52 : 792,894.77 = 129,232.55 : x
  2. Step 2: Convert to fraction form
    528,596.52/792,894.77 = 129,232.55/x
  3. Step 3: Cross multiply
    528,596.52x = 792,894.77 × 129,232.55
  4. Step 4: Simplify right side
    528,596.52x = 102,467,813,008.76
  5. Step 5: Solve for x
    x = 102,467,813,008.76/528,596.52
  6. Step 6: Final answer
    x = 193,848.82

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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.