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Finding the Fourth Proportional to 370,177.94, 555,495.36 and 145,498.94

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Solution

The fourth proportional to 370,177.94, 555,495.36 and 145,498.94 is: 218,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,177.94 : 555,495.36 = 145,498.94 : x
  2. Step 2: Convert to fraction form
    370,177.94/555,495.36 = 145,498.94/x
  3. Step 3: Cross multiply
    370,177.94x = 555,495.36 × 145,498.94
  4. Step 4: Simplify right side
    370,177.94x = 80,823,986,054.92
  5. Step 5: Solve for x
    x = 80,823,986,054.92/370,177.94
  6. Step 6: Final answer
    x = 218,338.20

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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.