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Finding the Fourth Proportional to 298,948.05, 448,492.81 and 119,043.89

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Solution

The fourth proportional to 298,948.05, 448,492.81 and 119,043.89 is: 178,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,948.05 : 448,492.81 = 119,043.89 : x
  2. Step 2: Convert to fraction form
    298,948.05/448,492.81 = 119,043.89/x
  3. Step 3: Cross multiply
    298,948.05x = 448,492.81 × 119,043.89
  4. Step 4: Simplify right side
    298,948.05x = 53,390,328,739.43
  5. Step 5: Solve for x
    x = 53,390,328,739.43/298,948.05
  6. Step 6: Final answer
    x = 178,594.00

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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.