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Finding the Fourth Proportional to 1,316,657.82, 1,974,986.74 and 370,028.54

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Solution

The fourth proportional to 1,316,657.82, 1,974,986.74 and 370,028.54 is: 555,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,657.82 : 1,974,986.74 = 370,028.54 : x
  2. Step 2: Convert to fraction form
    1,316,657.82/1,974,986.74 = 370,028.54/x
  3. Step 3: Cross multiply
    1,316,657.82x = 1,974,986.74 × 370,028.54
  4. Step 4: Simplify right side
    1,316,657.82x = 730,801,459,921.56
  5. Step 5: Solve for x
    x = 730,801,459,921.56/1,316,657.82
  6. Step 6: Final answer
    x = 555,042.81

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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.