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Finding the Fourth Proportional to 425,003.70, 637,552.29 and 140,590.62

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Solution

The fourth proportional to 425,003.70, 637,552.29 and 140,590.62 is: 210,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,003.70 : 637,552.29 = 140,590.62 : x
  2. Step 2: Convert to fraction form
    425,003.70/637,552.29 = 140,590.62/x
  3. Step 3: Cross multiply
    425,003.70x = 637,552.29 × 140,590.62
  4. Step 4: Simplify right side
    425,003.70x = 89,633,871,733.52
  5. Step 5: Solve for x
    x = 89,633,871,733.52/425,003.70
  6. Step 6: Final answer
    x = 210,901.39

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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.