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Finding the Fourth Proportional to 390,004.44, 585,006.66 and 94,516.44

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Solution

The fourth proportional to 390,004.44, 585,006.66 and 94,516.44 is: 141,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,004.44 : 585,006.66 = 94,516.44 : x
  2. Step 2: Convert to fraction form
    390,004.44/585,006.66 = 94,516.44/x
  3. Step 3: Cross multiply
    390,004.44x = 585,006.66 × 94,516.44
  4. Step 4: Simplify right side
    390,004.44x = 55,292,746,406.91
  5. Step 5: Solve for x
    x = 55,292,746,406.91/390,004.44
  6. Step 6: Final answer
    x = 141,774.66

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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.