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Finding the Fourth Proportional to 633,308.82, 873,967.50 and 342,923.55

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Solution

The fourth proportional to 633,308.82, 873,967.50 and 342,923.55 is: 473,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,308.82 : 873,967.50 = 342,923.55 : x
  2. Step 2: Convert to fraction form
    633,308.82/873,967.50 = 342,923.55/x
  3. Step 3: Cross multiply
    633,308.82x = 873,967.50 × 342,923.55
  4. Step 4: Simplify right side
    633,308.82x = 299,704,037,684.63
  5. Step 5: Solve for x
    x = 299,704,037,684.63/633,308.82
  6. Step 6: Final answer
    x = 473,235.22

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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.