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Finding the Fourth Proportional to 649,368.36, 896,147.60 and 362,889.28

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Solution

The fourth proportional to 649,368.36, 896,147.60 and 362,889.28 is: 500,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,368.36 : 896,147.60 = 362,889.28 : x
  2. Step 2: Convert to fraction form
    649,368.36/896,147.60 = 362,889.28/x
  3. Step 3: Cross multiply
    649,368.36x = 896,147.60 × 362,889.28
  4. Step 4: Simplify right side
    649,368.36x = 325,202,357,337.73
  5. Step 5: Solve for x
    x = 325,202,357,337.73/649,368.36
  6. Step 6: Final answer
    x = 500,797.97

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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.