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Finding the Fourth Proportional to 324,975.79, 487,462.32 and 88,317.79

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Solution

The fourth proportional to 324,975.79, 487,462.32 and 88,317.79 is: 132,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,975.79 : 487,462.32 = 88,317.79 : x
  2. Step 2: Convert to fraction form
    324,975.79/487,462.32 = 88,317.79/x
  3. Step 3: Cross multiply
    324,975.79x = 487,462.32 × 88,317.79
  4. Step 4: Simplify right side
    324,975.79x = 43,051,594,810.67
  5. Step 5: Solve for x
    x = 43,051,594,810.67/324,975.79
  6. Step 6: Final answer
    x = 132,476.31

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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.