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Finding the Fourth Proportional to 550,239.47, 759,008.01 and 345,966.68

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Solution

The fourth proportional to 550,239.47, 759,008.01 and 345,966.68 is: 477,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,239.47 : 759,008.01 = 345,966.68 : x
  2. Step 2: Convert to fraction form
    550,239.47/759,008.01 = 345,966.68/x
  3. Step 3: Cross multiply
    550,239.47x = 759,008.01 × 345,966.68
  4. Step 4: Simplify right side
    550,239.47x = 262,591,477,518.07
  5. Step 5: Solve for x
    x = 262,591,477,518.07/550,239.47
  6. Step 6: Final answer
    x = 477,231.27

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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.