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Finding the Fourth Proportional to 405,692.46, 559,807.02 and 224,379.90

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Solution

The fourth proportional to 405,692.46, 559,807.02 and 224,379.90 is: 309,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,692.46 : 559,807.02 = 224,379.90 : x
  2. Step 2: Convert to fraction form
    405,692.46/559,807.02 = 224,379.90/x
  3. Step 3: Cross multiply
    405,692.46x = 559,807.02 × 224,379.90
  4. Step 4: Simplify right side
    405,692.46x = 125,609,443,166.90
  5. Step 5: Solve for x
    x = 125,609,443,166.90/405,692.46
  6. Step 6: Final answer
    x = 309,617.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.