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Finding the Fourth Proportional to 633,054.64, 873,611.19 and 346,579.54

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Solution

The fourth proportional to 633,054.64, 873,611.19 and 346,579.54 is: 478,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,054.64 : 873,611.19 = 346,579.54 : x
  2. Step 2: Convert to fraction form
    633,054.64/873,611.19 = 346,579.54/x
  3. Step 3: Cross multiply
    633,054.64x = 873,611.19 × 346,579.54
  4. Step 4: Simplify right side
    633,054.64x = 302,775,764,369.05
  5. Step 5: Solve for x
    x = 302,775,764,369.05/633,054.64
  6. Step 6: Final answer
    x = 478,277.46

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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.