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Finding the Fourth Proportional to 633,666.87, 874,426.77 and 361,723.95

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Solution

The fourth proportional to 633,666.87, 874,426.77 and 361,723.95 is: 499,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,666.87 : 874,426.77 = 361,723.95 : x
  2. Step 2: Convert to fraction form
    633,666.87/874,426.77 = 361,723.95/x
  3. Step 3: Cross multiply
    633,666.87x = 874,426.77 × 361,723.95
  4. Step 4: Simplify right side
    633,666.87x = 316,301,105,230.14
  5. Step 5: Solve for x
    x = 316,301,105,230.14/633,666.87
  6. Step 6: Final answer
    x = 499,159.92

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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.