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Finding the Fourth Proportional to 334,765.89, 503,958.68 and 304,971.61

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Solution

The fourth proportional to 334,765.89, 503,958.68 and 304,971.61 is: 459,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,765.89 : 503,958.68 = 304,971.61 : x
  2. Step 2: Convert to fraction form
    334,765.89/503,958.68 = 304,971.61/x
  3. Step 3: Cross multiply
    334,765.89x = 503,958.68 × 304,971.61
  4. Step 4: Simplify right side
    334,765.89x = 153,693,090,013.08
  5. Step 5: Solve for x
    x = 153,693,090,013.08/334,765.89
  6. Step 6: Final answer
    x = 459,106.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.