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Finding the Fourth Proportional to 493,185.74, 680,596.60 and 342,370.22

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Solution

The fourth proportional to 493,185.74, 680,596.60 and 342,370.22 is: 472,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,185.74 : 680,596.60 = 342,370.22 : x
  2. Step 2: Convert to fraction form
    493,185.74/680,596.60 = 342,370.22/x
  3. Step 3: Cross multiply
    493,185.74x = 680,596.60 × 342,370.22
  4. Step 4: Simplify right side
    493,185.74x = 233,016,007,673.25
  5. Step 5: Solve for x
    x = 233,016,007,673.25/493,185.74
  6. Step 6: Final answer
    x = 472,471.10

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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.