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Finding the Fourth Proportional to 475,114.77, 655,409.79 and 293,768.73

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Solution

The fourth proportional to 475,114.77, 655,409.79 and 293,768.73 is: 405,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,114.77 : 655,409.79 = 293,768.73 : x
  2. Step 2: Convert to fraction form
    475,114.77/655,409.79 = 293,768.73/x
  3. Step 3: Cross multiply
    475,114.77x = 655,409.79 × 293,768.73
  4. Step 4: Simplify right side
    475,114.77x = 192,538,901,637.87
  5. Step 5: Solve for x
    x = 192,538,901,637.87/475,114.77
  6. Step 6: Final answer
    x = 405,247.14

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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.