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Finding the Fourth Proportional to 298,494.30, 411,918.27 and 162,526.69

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Solution

The fourth proportional to 298,494.30, 411,918.27 and 162,526.69 is: 224,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,494.30 : 411,918.27 = 162,526.69 : x
  2. Step 2: Convert to fraction form
    298,494.30/411,918.27 = 162,526.69/x
  3. Step 3: Cross multiply
    298,494.30x = 411,918.27 × 162,526.69
  4. Step 4: Simplify right side
    298,494.30x = 66,947,712,973.63
  5. Step 5: Solve for x
    x = 66,947,712,973.63/298,494.30
  6. Step 6: Final answer
    x = 224,284.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.