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Finding the Fourth Proportional to 370,043.55, 555,065.33 and 366,544.35

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Solution

The fourth proportional to 370,043.55, 555,065.33 and 366,544.35 is: 549,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,043.55 : 555,065.33 = 366,544.35 : x
  2. Step 2: Convert to fraction form
    370,043.55/555,065.33 = 366,544.35/x
  3. Step 3: Cross multiply
    370,043.55x = 555,065.33 × 366,544.35
  4. Step 4: Simplify right side
    370,043.55x = 203,456,058,759.66
  5. Step 5: Solve for x
    x = 203,456,058,759.66/370,043.55
  6. Step 6: Final answer
    x = 549,816.53

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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.