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Finding the Fourth Proportional to 504,638,033.76, 756,952,004.28 and 159,591,719.52

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Solution

The fourth proportional to 504,638,033.76, 756,952,004.28 and 159,591,719.52 is: 239,385,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,638,033.76 : 756,952,004.28 = 159,591,719.52 : x
  2. Step 2: Convert to fraction form
    504,638,033.76/756,952,004.28 = 159,591,719.52/x
  3. Step 3: Cross multiply
    504,638,033.76x = 756,952,004.28 × 159,591,719.52
  4. Step 4: Simplify right side
    504,638,033.76x = 120,803,271,957,155,600
  5. Step 5: Solve for x
    x = 120,803,271,957,155,600/504,638,033.76
  6. Step 6: Final answer
    x = 239,385,983.37

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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.