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Finding the Fourth Proportional to 628,458.40, 941,132.40 and 504,042.40

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Solution

The fourth proportional to 628,458.40, 941,132.40 and 504,042.40 is: 754,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,458.40 : 941,132.40 = 504,042.40 : x
  2. Step 2: Convert to fraction form
    628,458.40/941,132.40 = 504,042.40/x
  3. Step 3: Cross multiply
    628,458.40x = 941,132.40 × 504,042.40
  4. Step 4: Simplify right side
    628,458.40x = 474,370,633,613.76
  5. Step 5: Solve for x
    x = 474,370,633,613.76/628,458.40
  6. Step 6: Final answer
    x = 754,816.28

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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.