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Finding the Fourth Proportional to 336,561.91, 504,838.96 and 96,681.69

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Solution

The fourth proportional to 336,561.91, 504,838.96 and 96,681.69 is: 145,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,561.91 : 504,838.96 = 96,681.69 : x
  2. Step 2: Convert to fraction form
    336,561.91/504,838.96 = 96,681.69/x
  3. Step 3: Cross multiply
    336,561.91x = 504,838.96 × 96,681.69
  4. Step 4: Simplify right side
    336,561.91x = 48,808,683,830.64
  5. Step 5: Solve for x
    x = 48,808,683,830.64/336,561.91
  6. Step 6: Final answer
    x = 145,021.41

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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.