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Finding the Fourth Proportional to 632,930.63, 873,410.72 and 346,395.29

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Solution

The fourth proportional to 632,930.63, 873,410.72 and 346,395.29 is: 478,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,930.63 : 873,410.72 = 346,395.29 : x
  2. Step 2: Convert to fraction form
    632,930.63/873,410.72 = 346,395.29/x
  3. Step 3: Cross multiply
    632,930.63x = 873,410.72 × 346,395.29
  4. Step 4: Simplify right side
    632,930.63x = 302,545,353,544.48
  5. Step 5: Solve for x
    x = 302,545,353,544.48/632,930.63
  6. Step 6: Final answer
    x = 478,007.13

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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.