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Finding the Fourth Proportional to 633,697.65, 874,537.77 and 361,852.86

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Solution

The fourth proportional to 633,697.65, 874,537.77 and 361,852.86 is: 499,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,697.65 : 874,537.77 = 361,852.86 : x
  2. Step 2: Convert to fraction form
    633,697.65/874,537.77 = 361,852.86/x
  3. Step 3: Cross multiply
    633,697.65x = 874,537.77 × 361,852.86
  4. Step 4: Simplify right side
    633,697.65x = 316,453,997,888.99
  5. Step 5: Solve for x
    x = 316,453,997,888.99/633,697.65
  6. Step 6: Final answer
    x = 499,376.95

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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.