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Finding the Fourth Proportional to 608,799.23, 840,085.72 and 412,165.72

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Solution

The fourth proportional to 608,799.23, 840,085.72 and 412,165.72 is: 568,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,799.23 : 840,085.72 = 412,165.72 : x
  2. Step 2: Convert to fraction form
    608,799.23/840,085.72 = 412,165.72/x
  3. Step 3: Cross multiply
    608,799.23x = 840,085.72 × 412,165.72
  4. Step 4: Simplify right side
    608,799.23x = 346,254,535,645.52
  5. Step 5: Solve for x
    x = 346,254,535,645.52/608,799.23
  6. Step 6: Final answer
    x = 568,749.96

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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.