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Finding the Fourth Proportional to 632,859.63, 873,339.63 and 342,464.84

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Solution

The fourth proportional to 632,859.63, 873,339.63 and 342,464.84 is: 472,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,859.63 : 873,339.63 = 342,464.84 : x
  2. Step 2: Convert to fraction form
    632,859.63/873,339.63 = 342,464.84/x
  3. Step 3: Cross multiply
    632,859.63x = 873,339.63 × 342,464.84
  4. Step 4: Simplify right side
    632,859.63x = 299,088,116,653.61
  5. Step 5: Solve for x
    x = 299,088,116,653.61/632,859.63
  6. Step 6: Final answer
    x = 472,597.88

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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.