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Finding the Fourth Proportional to 370,545.82, 555,897.02 and 142,847.26

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Solution

The fourth proportional to 370,545.82, 555,897.02 and 142,847.26 is: 214,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,545.82 : 555,897.02 = 142,847.26 : x
  2. Step 2: Convert to fraction form
    370,545.82/555,897.02 = 142,847.26/x
  3. Step 3: Cross multiply
    370,545.82x = 555,897.02 × 142,847.26
  4. Step 4: Simplify right side
    370,545.82x = 79,408,366,149.17
  5. Step 5: Solve for x
    x = 79,408,366,149.17/370,545.82
  6. Step 6: Final answer
    x = 214,301.07

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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.