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Finding the Fourth Proportional to 405,001.96, 558,900.48 and 223,726.36

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Solution

The fourth proportional to 405,001.96, 558,900.48 and 223,726.36 is: 308,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,001.96 : 558,900.48 = 223,726.36 : x
  2. Step 2: Convert to fraction form
    405,001.96/558,900.48 = 223,726.36/x
  3. Step 3: Cross multiply
    405,001.96x = 558,900.48 × 223,726.36
  4. Step 4: Simplify right side
    405,001.96x = 125,040,769,992.65
  5. Step 5: Solve for x
    x = 125,040,769,992.65/405,001.96
  6. Step 6: Final answer
    x = 308,741.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.