Home / 369,239.40-553,463.58-263,738.28

Finding the Fourth Proportional to 369,239.40, 553,463.58 and 263,738.28

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Solution

The fourth proportional to 369,239.40, 553,463.58 and 263,738.28 is: 395,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,239.40 : 553,463.58 = 263,738.28 : x
  2. Step 2: Convert to fraction form
    369,239.40/553,463.58 = 263,738.28/x
  3. Step 3: Cross multiply
    369,239.40x = 553,463.58 × 263,738.28
  4. Step 4: Simplify right side
    369,239.40x = 145,969,532,631.84
  5. Step 5: Solve for x
    x = 145,969,532,631.84/369,239.40
  6. Step 6: Final answer
    x = 395,324.91

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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.