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Finding the Fourth Proportional to 370,602.33, 555,903.49 and 145,840.69

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Solution

The fourth proportional to 370,602.33, 555,903.49 and 145,840.69 is: 218,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,602.33 : 555,903.49 = 145,840.69 : x
  2. Step 2: Convert to fraction form
    370,602.33/555,903.49 = 145,840.69/x
  3. Step 3: Cross multiply
    370,602.33x = 555,903.49 × 145,840.69
  4. Step 4: Simplify right side
    370,602.33x = 81,073,348,555.01
  5. Step 5: Solve for x
    x = 81,073,348,555.01/370,602.33
  6. Step 6: Final answer
    x = 218,761.03

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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.