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Finding the Fourth Proportional to 423,762.16, 635,487.48 and 170,975.08

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Solution

The fourth proportional to 423,762.16, 635,487.48 and 170,975.08 is: 256,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,762.16 : 635,487.48 = 170,975.08 : x
  2. Step 2: Convert to fraction form
    423,762.16/635,487.48 = 170,975.08/x
  3. Step 3: Cross multiply
    423,762.16x = 635,487.48 × 170,975.08
  4. Step 4: Simplify right side
    423,762.16x = 108,652,522,732.00
  5. Step 5: Solve for x
    x = 108,652,522,732.00/423,762.16
  6. Step 6: Final answer
    x = 256,399.78

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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.