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Finding the Fourth Proportional to 632,995.64, 873,533.92 and 342,607.16

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Solution

The fourth proportional to 632,995.64, 873,533.92 and 342,607.16 is: 472,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,995.64 : 873,533.92 = 342,607.16 : x
  2. Step 2: Convert to fraction form
    632,995.64/873,533.92 = 342,607.16/x
  3. Step 3: Cross multiply
    632,995.64x = 873,533.92 × 342,607.16
  4. Step 4: Simplify right side
    632,995.64x = 299,278,972,550.94
  5. Step 5: Solve for x
    x = 299,278,972,550.94/632,995.64
  6. Step 6: Final answer
    x = 472,797.84

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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.