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Finding the Fourth Proportional to 295,360.34, 443,018.97 and 115,411.94

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Solution

The fourth proportional to 295,360.34, 443,018.97 and 115,411.94 is: 173,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,360.34 : 443,018.97 = 115,411.94 : x
  2. Step 2: Convert to fraction form
    295,360.34/443,018.97 = 115,411.94/x
  3. Step 3: Cross multiply
    295,360.34x = 443,018.97 × 115,411.94
  4. Step 4: Simplify right side
    295,360.34x = 51,129,678,784.50
  5. Step 5: Solve for x
    x = 51,129,678,784.50/295,360.34
  6. Step 6: Final answer
    x = 173,109.49

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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.