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Finding the Fourth Proportional to 649,599.42, 896,448.39 and 363,119.34

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Solution

The fourth proportional to 649,599.42, 896,448.39 and 363,119.34 is: 501,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,599.42 : 896,448.39 = 363,119.34 : x
  2. Step 2: Convert to fraction form
    649,599.42/896,448.39 = 363,119.34/x
  3. Step 3: Cross multiply
    649,599.42x = 896,448.39 × 363,119.34
  4. Step 4: Simplify right side
    649,599.42x = 325,517,747,720.86
  5. Step 5: Solve for x
    x = 325,517,747,720.86/649,599.42
  6. Step 6: Final answer
    x = 501,105.35

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Double scale
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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.