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Finding the Fourth Proportional to 310,606.37, 465,819.47 and 121,024.45

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Solution

The fourth proportional to 310,606.37, 465,819.47 and 121,024.45 is: 181,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,606.37 : 465,819.47 = 121,024.45 : x
  2. Step 2: Convert to fraction form
    310,606.37/465,819.47 = 121,024.45/x
  3. Step 3: Cross multiply
    310,606.37x = 465,819.47 × 121,024.45
  4. Step 4: Simplify right side
    310,606.37x = 56,375,545,156.04
  5. Step 5: Solve for x
    x = 56,375,545,156.04/310,606.37
  6. Step 6: Final answer
    x = 181,501.57

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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.