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Finding the Fourth Proportional to 500,854.51, 751,369.24 and 220,364.47

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Solution

The fourth proportional to 500,854.51, 751,369.24 and 220,364.47 is: 330,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,854.51 : 751,369.24 = 220,364.47 : x
  2. Step 2: Convert to fraction form
    500,854.51/751,369.24 = 220,364.47/x
  3. Step 3: Cross multiply
    500,854.51x = 751,369.24 × 220,364.47
  4. Step 4: Simplify right side
    500,854.51x = 165,575,084,096.33
  5. Step 5: Solve for x
    x = 165,575,084,096.33/500,854.51
  6. Step 6: Final answer
    x = 330,585.19

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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.