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Finding the Fourth Proportional to 297,047.76, 445,393.64 and 94,556.40

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Solution

The fourth proportional to 297,047.76, 445,393.64 and 94,556.40 is: 141,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,047.76 : 445,393.64 = 94,556.40 : x
  2. Step 2: Convert to fraction form
    297,047.76/445,393.64 = 94,556.40/x
  3. Step 3: Cross multiply
    297,047.76x = 445,393.64 × 94,556.40
  4. Step 4: Simplify right side
    297,047.76x = 42,114,818,708.51
  5. Step 5: Solve for x
    x = 42,114,818,708.51/297,047.76
  6. Step 6: Final answer
    x = 141,777.94

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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.