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Finding the Fourth Proportional to 528,096.60, 792,144.90 and 191,298.60

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Solution

The fourth proportional to 528,096.60, 792,144.90 and 191,298.60 is: 286,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,096.60 : 792,144.90 = 191,298.60 : x
  2. Step 2: Convert to fraction form
    528,096.60/792,144.90 = 191,298.60/x
  3. Step 3: Cross multiply
    528,096.60x = 792,144.90 × 191,298.60
  4. Step 4: Simplify right side
    528,096.60x = 151,536,210,367.14
  5. Step 5: Solve for x
    x = 151,536,210,367.14/528,096.60
  6. Step 6: Final answer
    x = 286,947.90

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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.