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Finding the Fourth Proportional to 456,953.45, 630,615.46 and 253,004.37

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Solution

The fourth proportional to 456,953.45, 630,615.46 and 253,004.37 is: 349,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,953.45 : 630,615.46 = 253,004.37 : x
  2. Step 2: Convert to fraction form
    456,953.45/630,615.46 = 253,004.37/x
  3. Step 3: Cross multiply
    456,953.45x = 630,615.46 × 253,004.37
  4. Step 4: Simplify right side
    456,953.45x = 159,548,467,169.56
  5. Step 5: Solve for x
    x = 159,548,467,169.56/456,953.45
  6. Step 6: Final answer
    x = 349,156.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.