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Finding the Fourth Proportional to 405,299.73, 607,857.14 and 152,606.87

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Solution

The fourth proportional to 405,299.73, 607,857.14 and 152,606.87 is: 228,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,299.73 : 607,857.14 = 152,606.87 : x
  2. Step 2: Convert to fraction form
    405,299.73/607,857.14 = 152,606.87/x
  3. Step 3: Cross multiply
    405,299.73x = 607,857.14 × 152,606.87
  4. Step 4: Simplify right side
    405,299.73x = 92,763,171,740.23
  5. Step 5: Solve for x
    x = 92,763,171,740.23/405,299.73
  6. Step 6: Final answer
    x = 228,875.48

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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.