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Finding the Fourth Proportional to 277,744.32, 417,799.08 and 251,762.80

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Solution

The fourth proportional to 277,744.32, 417,799.08 and 251,762.80 is: 378,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,744.32 : 417,799.08 = 251,762.80 : x
  2. Step 2: Convert to fraction form
    277,744.32/417,799.08 = 251,762.80/x
  3. Step 3: Cross multiply
    277,744.32x = 417,799.08 × 251,762.80
  4. Step 4: Simplify right side
    277,744.32x = 105,186,266,218.22
  5. Step 5: Solve for x
    x = 105,186,266,218.22/277,744.32
  6. Step 6: Final answer
    x = 378,716.17

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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.