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Finding the Fourth Proportional to 370,035.34, 555,053.14 and 130,326.27

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Solution

The fourth proportional to 370,035.34, 555,053.14 and 130,326.27 is: 195,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,035.34 : 555,053.14 = 130,326.27 : x
  2. Step 2: Convert to fraction form
    370,035.34/555,053.14 = 130,326.27/x
  3. Step 3: Cross multiply
    370,035.34x = 555,053.14 × 130,326.27
  4. Step 4: Simplify right side
    370,035.34x = 72,338,003,469.45
  5. Step 5: Solve for x
    x = 72,338,003,469.45/370,035.34
  6. Step 6: Final answer
    x = 195,489.45

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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.