Home / 369,022.20-553,533.30-254,860.80

Finding the Fourth Proportional to 369,022.20, 553,533.30 and 254,860.80

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Solution

The fourth proportional to 369,022.20, 553,533.30 and 254,860.80 is: 382,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,022.20 : 553,533.30 = 254,860.80 : x
  2. Step 2: Convert to fraction form
    369,022.20/553,533.30 = 254,860.80/x
  3. Step 3: Cross multiply
    369,022.20x = 553,533.30 × 254,860.80
  4. Step 4: Simplify right side
    369,022.20x = 141,073,939,664.64
  5. Step 5: Solve for x
    x = 141,073,939,664.64/369,022.20
  6. Step 6: Final answer
    x = 382,291.20

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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.