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Finding the Fourth Proportional to 346,846.86, 478,662.62 and 201,651.93

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Solution

The fourth proportional to 346,846.86, 478,662.62 and 201,651.93 is: 278,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,846.86 : 478,662.62 = 201,651.93 : x
  2. Step 2: Convert to fraction form
    346,846.86/478,662.62 = 201,651.93/x
  3. Step 3: Cross multiply
    346,846.86x = 478,662.62 × 201,651.93
  4. Step 4: Simplify right side
    346,846.86x = 96,523,240,133.60
  5. Step 5: Solve for x
    x = 96,523,240,133.60/346,846.86
  6. Step 6: Final answer
    x = 278,287.77

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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.