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Finding the Fourth Proportional to 336,478.66, 504,954.71 and 304,319.53

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Solution

The fourth proportional to 336,478.66, 504,954.71 and 304,319.53 is: 456,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,478.66 : 504,954.71 = 304,319.53 : x
  2. Step 2: Convert to fraction form
    336,478.66/504,954.71 = 304,319.53/x
  3. Step 3: Cross multiply
    336,478.66x = 504,954.71 × 304,319.53
  4. Step 4: Simplify right side
    336,478.66x = 153,667,580,269.28
  5. Step 5: Solve for x
    x = 153,667,580,269.28/336,478.66
  6. Step 6: Final answer
    x = 456,693.39

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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.