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Finding the Fourth Proportional to 528,514.53, 792,769.56 and 191,476.16

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Solution

The fourth proportional to 528,514.53, 792,769.56 and 191,476.16 is: 287,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,514.53 : 792,769.56 = 191,476.16 : x
  2. Step 2: Convert to fraction form
    528,514.53/792,769.56 = 191,476.16/x
  3. Step 3: Cross multiply
    528,514.53x = 792,769.56 × 191,476.16
  4. Step 4: Simplify right side
    528,514.53x = 151,796,471,113.69
  5. Step 5: Solve for x
    x = 151,796,471,113.69/528,514.53
  6. Step 6: Final answer
    x = 287,213.43

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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.