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Finding the Fourth Proportional to 368,291.76, 552,461.02 and 115,582.26

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Solution

The fourth proportional to 368,291.76, 552,461.02 and 115,582.26 is: 173,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,291.76 : 552,461.02 = 115,582.26 : x
  2. Step 2: Convert to fraction form
    368,291.76/552,461.02 = 115,582.26/x
  3. Step 3: Cross multiply
    368,291.76x = 552,461.02 × 115,582.26
  4. Step 4: Simplify right side
    368,291.76x = 63,854,693,253.51
  5. Step 5: Solve for x
    x = 63,854,693,253.51/368,291.76
  6. Step 6: Final answer
    x = 173,380.73

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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.