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Finding the Fourth Proportional to 528,505.29, 792,879.03 and 229,036.14

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Solution

The fourth proportional to 528,505.29, 792,879.03 and 229,036.14 is: 343,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,505.29 : 792,879.03 = 229,036.14 : x
  2. Step 2: Convert to fraction form
    528,505.29/792,879.03 = 229,036.14/x
  3. Step 3: Cross multiply
    528,505.29x = 792,879.03 × 229,036.14
  4. Step 4: Simplify right side
    528,505.29x = 181,597,952,518.14
  5. Step 5: Solve for x
    x = 181,597,952,518.14/528,505.29
  6. Step 6: Final answer
    x = 343,606.69

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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.