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Finding the Fourth Proportional to 1,316,655.82, 1,974,983.73 and 370,026.54

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Solution

The fourth proportional to 1,316,655.82, 1,974,983.73 and 370,026.54 is: 555,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,655.82 : 1,974,983.73 = 370,026.54 : x
  2. Step 2: Convert to fraction form
    1,316,655.82/1,974,983.73 = 370,026.54/x
  3. Step 3: Cross multiply
    1,316,655.82x = 1,974,983.73 × 370,026.54
  4. Step 4: Simplify right side
    1,316,655.82x = 730,796,396,168.19
  5. Step 5: Solve for x
    x = 730,796,396,168.19/1,316,655.82
  6. Step 6: Final answer
    x = 555,039.81

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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.