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Finding the Fourth Proportional to 628,008.09, 866,627.01 and 341,528.52

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Solution

The fourth proportional to 628,008.09, 866,627.01 and 341,528.52 is: 471,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,008.09 : 866,627.01 = 341,528.52 : x
  2. Step 2: Convert to fraction form
    628,008.09/866,627.01 = 341,528.52/x
  3. Step 3: Cross multiply
    628,008.09x = 866,627.01 × 341,528.52
  4. Step 4: Simplify right side
    628,008.09x = 295,977,840,117.33
  5. Step 5: Solve for x
    x = 295,977,840,117.33/628,008.09
  6. Step 6: Final answer
    x = 471,296.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.