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Finding the Fourth Proportional to 1,749,669.13, 2,624,503.72 and 419,973.13

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Solution

The fourth proportional to 1,749,669.13, 2,624,503.72 and 419,973.13 is: 629,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,669.13 : 2,624,503.72 = 419,973.13 : x
  2. Step 2: Convert to fraction form
    1,749,669.13/2,624,503.72 = 419,973.13/x
  3. Step 3: Cross multiply
    1,749,669.13x = 2,624,503.72 × 419,973.13
  4. Step 4: Simplify right side
    1,749,669.13x = 1,102,221,028,862.53
  5. Step 5: Solve for x
    x = 1,102,221,028,862.53/1,749,669.13
  6. Step 6: Final answer
    x = 629,959.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.