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Finding the Fourth Proportional to 541,651.01, 812,172.61 and 371,065.46

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Solution

The fourth proportional to 541,651.01, 812,172.61 and 371,065.46 is: 556,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,651.01 : 812,172.61 = 371,065.46 : x
  2. Step 2: Convert to fraction form
    541,651.01/812,172.61 = 371,065.46/x
  3. Step 3: Cross multiply
    541,651.01x = 812,172.61 × 371,065.46
  4. Step 4: Simplify right side
    541,651.01x = 301,369,204,231.82
  5. Step 5: Solve for x
    x = 301,369,204,231.82/541,651.01
  6. Step 6: Final answer
    x = 556,390.00

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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.