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Finding the Fourth Proportional to 633,070.74, 873,496.67 and 374,818.85

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Solution

The fourth proportional to 633,070.74, 873,496.67 and 374,818.85 is: 517,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,070.74 : 873,496.67 = 374,818.85 : x
  2. Step 2: Convert to fraction form
    633,070.74/873,496.67 = 374,818.85/x
  3. Step 3: Cross multiply
    633,070.74x = 873,496.67 × 374,818.85
  4. Step 4: Simplify right side
    633,070.74x = 327,403,017,328.23
  5. Step 5: Solve for x
    x = 327,403,017,328.23/633,070.74
  6. Step 6: Final answer
    x = 517,166.56

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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.