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Finding the Fourth Proportional to 500,778.73, 751,918.56 and 433,518.23

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Solution

The fourth proportional to 500,778.73, 751,918.56 and 433,518.23 is: 650,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,778.73 : 751,918.56 = 433,518.23 : x
  2. Step 2: Convert to fraction form
    500,778.73/751,918.56 = 433,518.23/x
  3. Step 3: Cross multiply
    500,778.73x = 751,918.56 × 433,518.23
  4. Step 4: Simplify right side
    500,778.73x = 325,970,403,235.35
  5. Step 5: Solve for x
    x = 325,970,403,235.35/500,778.73
  6. Step 6: Final answer
    x = 650,927.02

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Double scale
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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.