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Finding the Fourth Proportional to 525,589.05, 788,514.66 and 151,612.05

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Solution

The fourth proportional to 525,589.05, 788,514.66 and 151,612.05 is: 227,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,589.05 : 788,514.66 = 151,612.05 : x
  2. Step 2: Convert to fraction form
    525,589.05/788,514.66 = 151,612.05/x
  3. Step 3: Cross multiply
    525,589.05x = 788,514.66 × 151,612.05
  4. Step 4: Simplify right side
    525,589.05x = 119,548,324,057.65
  5. Step 5: Solve for x
    x = 119,548,324,057.65/525,589.05
  6. Step 6: Final answer
    x = 227,455.89

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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.