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Finding the Fourth Proportional to 437,234.63, 603,646.22 and 286,594.07

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Solution

The fourth proportional to 437,234.63, 603,646.22 and 286,594.07 is: 395,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,234.63 : 603,646.22 = 286,594.07 : x
  2. Step 2: Convert to fraction form
    437,234.63/603,646.22 = 286,594.07/x
  3. Step 3: Cross multiply
    437,234.63x = 603,646.22 × 286,594.07
  4. Step 4: Simplify right side
    437,234.63x = 173,001,424,728.17
  5. Step 5: Solve for x
    x = 173,001,424,728.17/437,234.63
  6. Step 6: Final answer
    x = 395,671.83

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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.