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Finding the Fourth Proportional to 644,944.07, 967,532.45 and 265,657.75

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Solution

The fourth proportional to 644,944.07, 967,532.45 and 265,657.75 is: 398,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,944.07 : 967,532.45 = 265,657.75 : x
  2. Step 2: Convert to fraction form
    644,944.07/967,532.45 = 265,657.75/x
  3. Step 3: Cross multiply
    644,944.07x = 967,532.45 × 265,657.75
  4. Step 4: Simplify right side
    644,944.07x = 257,032,489,971.87
  5. Step 5: Solve for x
    x = 257,032,489,971.87/644,944.07
  6. Step 6: Final answer
    x = 398,534.54

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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.