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Finding the Fourth Proportional to 608,795.79, 840,080.96 and 412,162.26

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Solution

The fourth proportional to 608,795.79, 840,080.96 and 412,162.26 is: 568,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,795.79 : 840,080.96 = 412,162.26 : x
  2. Step 2: Convert to fraction form
    608,795.79/840,080.96 = 412,162.26/x
  3. Step 3: Cross multiply
    608,795.79x = 840,080.96 × 412,162.26
  4. Step 4: Simplify right side
    608,795.79x = 346,249,668,879.16
  5. Step 5: Solve for x
    x = 346,249,668,879.16/608,795.79
  6. Step 6: Final answer
    x = 568,745.18

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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.