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Finding the Fourth Proportional to 383,899.54, 575,883.87 and 103,410.58

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Solution

The fourth proportional to 383,899.54, 575,883.87 and 103,410.58 is: 155,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,899.54 : 575,883.87 = 103,410.58 : x
  2. Step 2: Convert to fraction form
    383,899.54/575,883.87 = 103,410.58/x
  3. Step 3: Cross multiply
    383,899.54x = 575,883.87 × 103,410.58
  4. Step 4: Simplify right side
    383,899.54x = 59,552,485,009.34
  5. Step 5: Solve for x
    x = 59,552,485,009.34/383,899.54
  6. Step 6: Final answer
    x = 155,125.18

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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.