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Finding the Fourth Proportional to 605,362.42, 835,400.10 and 350,861.23

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Solution

The fourth proportional to 605,362.42, 835,400.10 and 350,861.23 is: 484,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,362.42 : 835,400.10 = 350,861.23 : x
  2. Step 2: Convert to fraction form
    605,362.42/835,400.10 = 350,861.23/x
  3. Step 3: Cross multiply
    605,362.42x = 835,400.10 × 350,861.23
  4. Step 4: Simplify right side
    605,362.42x = 293,109,506,628.12
  5. Step 5: Solve for x
    x = 293,109,506,628.12/605,362.42
  6. Step 6: Final answer
    x = 484,188.47

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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.