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Finding the Fourth Proportional to 433,076.63, 649,615.28 and 117,533.54

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Solution

The fourth proportional to 433,076.63, 649,615.28 and 117,533.54 is: 176,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,076.63 : 649,615.28 = 117,533.54 : x
  2. Step 2: Convert to fraction form
    433,076.63/649,615.28 = 117,533.54/x
  3. Step 3: Cross multiply
    433,076.63x = 649,615.28 × 117,533.54
  4. Step 4: Simplify right side
    433,076.63x = 76,351,582,908.82
  5. Step 5: Solve for x
    x = 76,351,582,908.82/433,076.63
  6. Step 6: Final answer
    x = 176,300.40

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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.