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Finding the Fourth Proportional to 633,303.28, 873,961.32 and 346,825.36

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Solution

The fourth proportional to 633,303.28, 873,961.32 and 346,825.36 is: 478,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,303.28 : 873,961.32 = 346,825.36 : x
  2. Step 2: Convert to fraction form
    633,303.28/873,961.32 = 346,825.36/x
  3. Step 3: Cross multiply
    633,303.28x = 873,961.32 × 346,825.36
  4. Step 4: Simplify right side
    633,303.28x = 303,111,949,435.08
  5. Step 5: Solve for x
    x = 303,111,949,435.08/633,303.28
  6. Step 6: Final answer
    x = 478,620.53

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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.