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Finding the Fourth Proportional to 423,287.99, 635,028.95 and 183,442.16

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Solution

The fourth proportional to 423,287.99, 635,028.95 and 183,442.16 is: 275,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,287.99 : 635,028.95 = 183,442.16 : x
  2. Step 2: Convert to fraction form
    423,287.99/635,028.95 = 183,442.16/x
  3. Step 3: Cross multiply
    423,287.99x = 635,028.95 × 183,442.16
  4. Step 4: Simplify right side
    423,287.99x = 116,491,079,075.39
  5. Step 5: Solve for x
    x = 116,491,079,075.39/423,287.99
  6. Step 6: Final answer
    x = 275,205.25

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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.