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Finding the Fourth Proportional to 550,524.16, 759,443.28 and 359,649.28

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Solution

The fourth proportional to 550,524.16, 759,443.28 and 359,649.28 is: 496,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,524.16 : 759,443.28 = 359,649.28 : x
  2. Step 2: Convert to fraction form
    550,524.16/759,443.28 = 359,649.28/x
  3. Step 3: Cross multiply
    550,524.16x = 759,443.28 × 359,649.28
  4. Step 4: Simplify right side
    550,524.16x = 273,133,228,852.84
  5. Step 5: Solve for x
    x = 273,133,228,852.84/550,524.16
  6. Step 6: Final answer
    x = 496,133.05

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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.