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Finding the Fourth Proportional to 876,299.60, 1,313,412.60 and 370,859.60

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Solution

The fourth proportional to 876,299.60, 1,313,412.60 and 370,859.60 is: 555,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,299.60 : 1,313,412.60 = 370,859.60 : x
  2. Step 2: Convert to fraction form
    876,299.60/1,313,412.60 = 370,859.60/x
  3. Step 3: Cross multiply
    876,299.60x = 1,313,412.60 × 370,859.60
  4. Step 4: Simplify right side
    876,299.60x = 487,091,671,470.96
  5. Step 5: Solve for x
    x = 487,091,671,470.96/876,299.60
  6. Step 6: Final answer
    x = 555,850.61

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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.