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Finding the Fourth Proportional to 333,483.08, 499,781.76 and 191,396.43

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Solution

The fourth proportional to 333,483.08, 499,781.76 and 191,396.43 is: 286,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,483.08 : 499,781.76 = 191,396.43 : x
  2. Step 2: Convert to fraction form
    333,483.08/499,781.76 = 191,396.43/x
  3. Step 3: Cross multiply
    333,483.08x = 499,781.76 × 191,396.43
  4. Step 4: Simplify right side
    333,483.08x = 95,656,444,643.12
  5. Step 5: Solve for x
    x = 95,656,444,643.12/333,483.08
  6. Step 6: Final answer
    x = 286,840.48

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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.