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Finding the Fourth Proportional to 366,206.94, 548,866.77 and 155,402.10

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Solution

The fourth proportional to 366,206.94, 548,866.77 and 155,402.10 is: 232,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,206.94 : 548,866.77 = 155,402.10 : x
  2. Step 2: Convert to fraction form
    366,206.94/548,866.77 = 155,402.10/x
  3. Step 3: Cross multiply
    366,206.94x = 548,866.77 × 155,402.10
  4. Step 4: Simplify right side
    366,206.94x = 85,295,048,678.22
  5. Step 5: Solve for x
    x = 85,295,048,678.22/366,206.94
  6. Step 6: Final answer
    x = 232,914.89

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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.