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Finding the Fourth Proportional to 633,040.80, 873,606.72 and 346,556.16

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Solution

The fourth proportional to 633,040.80, 873,606.72 and 346,556.16 is: 478,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,040.80 : 873,606.72 = 346,556.16 : x
  2. Step 2: Convert to fraction form
    633,040.80/873,606.72 = 346,556.16/x
  3. Step 3: Cross multiply
    633,040.80x = 873,606.72 × 346,556.16
  4. Step 4: Simplify right side
    633,040.80x = 302,753,790,233.40
  5. Step 5: Solve for x
    x = 302,753,790,233.40/633,040.80
  6. Step 6: Final answer
    x = 478,253.20

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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.