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Finding the Fourth Proportional to 203,412.60, 304,897.23 and 173,740.41

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Solution

The fourth proportional to 203,412.60, 304,897.23 and 173,740.41 is: 260,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,412.60 : 304,897.23 = 173,740.41 : x
  2. Step 2: Convert to fraction form
    203,412.60/304,897.23 = 173,740.41/x
  3. Step 3: Cross multiply
    203,412.60x = 304,897.23 × 173,740.41
  4. Step 4: Simplify right side
    203,412.60x = 52,972,969,748.06
  5. Step 5: Solve for x
    x = 52,972,969,748.06/203,412.60
  6. Step 6: Final answer
    x = 260,421.28

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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.