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Finding the Fourth Proportional to 423,283.16, 635,021.72 and 183,437.32

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Solution

The fourth proportional to 423,283.16, 635,021.72 and 183,437.32 is: 275,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,283.16 : 635,021.72 = 183,437.32 : x
  2. Step 2: Convert to fraction form
    423,283.16/635,021.72 = 183,437.32/x
  3. Step 3: Cross multiply
    423,283.16x = 635,021.72 × 183,437.32
  4. Step 4: Simplify right side
    423,283.16x = 116,486,685,766.49
  5. Step 5: Solve for x
    x = 116,486,685,766.49/423,283.16
  6. Step 6: Final answer
    x = 275,198.02

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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.