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Finding the Fourth Proportional to 608,802.54, 840,090.30 and 412,169.04

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Solution

The fourth proportional to 608,802.54, 840,090.30 and 412,169.04 is: 568,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,802.54 : 840,090.30 = 412,169.04 : x
  2. Step 2: Convert to fraction form
    608,802.54/840,090.30 = 412,169.04/x
  3. Step 3: Cross multiply
    608,802.54x = 840,090.30 × 412,169.04
  4. Step 4: Simplify right side
    608,802.54x = 346,259,212,464.31
  5. Step 5: Solve for x
    x = 346,259,212,464.31/608,802.54
  6. Step 6: Final answer
    x = 568,754.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.