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Finding the Fourth Proportional to 370,644.70, 555,756.37 and 145,883.29

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Solution

The fourth proportional to 370,644.70, 555,756.37 and 145,883.29 is: 218,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,644.70 : 555,756.37 = 145,883.29 : x
  2. Step 2: Convert to fraction form
    370,644.70/555,756.37 = 145,883.29/x
  3. Step 3: Cross multiply
    370,644.70x = 555,756.37 × 145,883.29
  4. Step 4: Simplify right side
    370,644.70x = 81,075,566,669.37
  5. Step 5: Solve for x
    x = 81,075,566,669.37/370,644.70
  6. Step 6: Final answer
    x = 218,742.01

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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.