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Finding the Fourth Proportional to 379,624.11, 569,554.62 and 113,395.13

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Solution

The fourth proportional to 379,624.11, 569,554.62 and 113,395.13 is: 170,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,624.11 : 569,554.62 = 113,395.13 : x
  2. Step 2: Convert to fraction form
    379,624.11/569,554.62 = 113,395.13/x
  3. Step 3: Cross multiply
    379,624.11x = 569,554.62 × 113,395.13
  4. Step 4: Simplify right side
    379,624.11x = 64,584,720,177.00
  5. Step 5: Solve for x
    x = 64,584,720,177.00/379,624.11
  6. Step 6: Final answer
    x = 170,128.08

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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.