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Finding the Fourth Proportional to 632,563.78, 872,950.62 and 346,090.02

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Solution

The fourth proportional to 632,563.78, 872,950.62 and 346,090.02 is: 477,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,563.78 : 872,950.62 = 346,090.02 : x
  2. Step 2: Convert to fraction form
    632,563.78/872,950.62 = 346,090.02/x
  3. Step 3: Cross multiply
    632,563.78x = 872,950.62 × 346,090.02
  4. Step 4: Simplify right side
    632,563.78x = 302,119,493,612.33
  5. Step 5: Solve for x
    x = 302,119,493,612.33/632,563.78
  6. Step 6: Final answer
    x = 477,611.12

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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.