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Finding the Fourth Proportional to 561,858.96, 775,576.21 and 368,279.14

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Solution

The fourth proportional to 561,858.96, 775,576.21 and 368,279.14 is: 508,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,858.96 : 775,576.21 = 368,279.14 : x
  2. Step 2: Convert to fraction form
    561,858.96/775,576.21 = 368,279.14/x
  3. Step 3: Cross multiply
    561,858.96x = 775,576.21 × 368,279.14
  4. Step 4: Simplify right side
    561,858.96x = 285,628,539,623.26
  5. Step 5: Solve for x
    x = 285,628,539,623.26/561,858.96
  6. Step 6: Final answer
    x = 508,363.41

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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.