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Finding the Fourth Proportional to 628,077.71, 866,744.84 and 341,602.58

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Solution

The fourth proportional to 628,077.71, 866,744.84 and 341,602.58 is: 471,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,077.71 : 866,744.84 = 341,602.58 : x
  2. Step 2: Convert to fraction form
    628,077.71/866,744.84 = 341,602.58/x
  3. Step 3: Cross multiply
    628,077.71x = 866,744.84 × 341,602.58
  4. Step 4: Simplify right side
    628,077.71x = 296,082,276,566.56
  5. Step 5: Solve for x
    x = 296,082,276,566.56/628,077.71
  6. Step 6: Final answer
    x = 471,410.26

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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.