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Finding the Fourth Proportional to 336,678.34, 504,369.61 and 210,368.15

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Solution

The fourth proportional to 336,678.34, 504,369.61 and 210,368.15 is: 315,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,678.34 : 504,369.61 = 210,368.15 : x
  2. Step 2: Convert to fraction form
    336,678.34/504,369.61 = 210,368.15/x
  3. Step 3: Cross multiply
    336,678.34x = 504,369.61 × 210,368.15
  4. Step 4: Simplify right side
    336,678.34x = 106,103,302,506.93
  5. Step 5: Solve for x
    x = 106,103,302,506.93/336,678.34
  6. Step 6: Final answer
    x = 315,147.40

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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.