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Finding the Fourth Proportional to 452,074.59, 678,111.75 and 352,309.41

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Solution

The fourth proportional to 452,074.59, 678,111.75 and 352,309.41 is: 528,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,074.59 : 678,111.75 = 352,309.41 : x
  2. Step 2: Convert to fraction form
    452,074.59/678,111.75 = 352,309.41/x
  3. Step 3: Cross multiply
    452,074.59x = 678,111.75 × 352,309.41
  4. Step 4: Simplify right side
    452,074.59x = 238,905,150,556.57
  5. Step 5: Solve for x
    x = 238,905,150,556.57/452,074.59
  6. Step 6: Final answer
    x = 528,464.01

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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.