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Finding the Fourth Proportional to 550,325.76, 759,127.77 and 346,053.30

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Solution

The fourth proportional to 550,325.76, 759,127.77 and 346,053.30 is: 477,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,325.76 : 759,127.77 = 346,053.30 : x
  2. Step 2: Convert to fraction form
    550,325.76/759,127.77 = 346,053.30/x
  3. Step 3: Cross multiply
    550,325.76x = 759,127.77 × 346,053.30
  4. Step 4: Simplify right side
    550,325.76x = 262,698,669,930.14
  5. Step 5: Solve for x
    x = 262,698,669,930.14/550,325.76
  6. Step 6: Final answer
    x = 477,351.21

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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.