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Finding the Fourth Proportional to 628,080.80, 866,749.06 and 341,605.68

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Solution

The fourth proportional to 628,080.80, 866,749.06 and 341,605.68 is: 471,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,080.80 : 866,749.06 = 341,605.68 : x
  2. Step 2: Convert to fraction form
    628,080.80/866,749.06 = 341,605.68/x
  3. Step 3: Cross multiply
    628,080.80x = 866,749.06 × 341,605.68
  4. Step 4: Simplify right side
    628,080.80x = 296,086,402,030.66
  5. Step 5: Solve for x
    x = 296,086,402,030.66/628,080.80
  6. Step 6: Final answer
    x = 471,414.51

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1.5x scale

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.