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Finding the Fourth Proportional to 524,830.36, 787,047.88 and 169,749.04

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Solution

The fourth proportional to 524,830.36, 787,047.88 and 169,749.04 is: 254,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,830.36 : 787,047.88 = 169,749.04 : x
  2. Step 2: Convert to fraction form
    524,830.36/787,047.88 = 169,749.04/x
  3. Step 3: Cross multiply
    524,830.36x = 787,047.88 × 169,749.04
  4. Step 4: Simplify right side
    524,830.36x = 133,600,622,064.04
  5. Step 5: Solve for x
    x = 133,600,622,064.04/524,830.36
  6. Step 6: Final answer
    x = 254,559.63

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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.