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Finding the Fourth Proportional to 633,319.92, 873,961.92 and 346,832.64

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Solution

The fourth proportional to 633,319.92, 873,961.92 and 346,832.64 is: 478,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,319.92 : 873,961.92 = 346,832.64 : x
  2. Step 2: Convert to fraction form
    633,319.92/873,961.92 = 346,832.64/x
  3. Step 3: Cross multiply
    633,319.92x = 873,961.92 × 346,832.64
  4. Step 4: Simplify right side
    633,319.92x = 303,118,519,973.07
  5. Step 5: Solve for x
    x = 303,118,519,973.07/633,319.92
  6. Step 6: Final answer
    x = 478,618.33

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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.