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Finding the Fourth Proportional to 340,603.52, 470,047.44 and 189,700.52

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Solution

The fourth proportional to 340,603.52, 470,047.44 and 189,700.52 is: 261,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,603.52 : 470,047.44 = 189,700.52 : x
  2. Step 2: Convert to fraction form
    340,603.52/470,047.44 = 189,700.52/x
  3. Step 3: Cross multiply
    340,603.52x = 470,047.44 × 189,700.52
  4. Step 4: Simplify right side
    340,603.52x = 89,168,243,792.67
  5. Step 5: Solve for x
    x = 89,168,243,792.67/340,603.52
  6. Step 6: Final answer
    x = 261,794.84

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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.