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Finding the Fourth Proportional to 1,759,825, 2,428,558.50 and 955,009

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Solution

The fourth proportional to 1,759,825, 2,428,558.50 and 955,009 is: 1,317,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,825 : 2,428,558.50 = 955,009 : x
  2. Step 2: Convert to fraction form
    1,759,825/2,428,558.50 = 955,009/x
  3. Step 3: Cross multiply
    1,759,825x = 2,428,558.50 × 955,009
  4. Step 4: Simplify right side
    1,759,825x = 2,319,295,224,526.50
  5. Step 5: Solve for x
    x = 2,319,295,224,526.50/1,759,825
  6. Step 6: Final answer
    x = 1,317,912.42

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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.