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Finding the Fourth Proportional to 390,004.94, 585,007.41 and 94,516.94

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Solution

The fourth proportional to 390,004.94, 585,007.41 and 94,516.94 is: 141,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,004.94 : 585,007.41 = 94,516.94 : x
  2. Step 2: Convert to fraction form
    390,004.94/585,007.41 = 94,516.94/x
  3. Step 3: Cross multiply
    390,004.94x = 585,007.41 × 94,516.94
  4. Step 4: Simplify right side
    390,004.94x = 55,293,110,270.53
  5. Step 5: Solve for x
    x = 55,293,110,270.53/390,004.94
  6. Step 6: Final answer
    x = 141,775.41

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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.