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Finding the Fourth Proportional to 570,422.49, 787,554.41 and 366,551.97

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Solution

The fourth proportional to 570,422.49, 787,554.41 and 366,551.97 is: 506,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,422.49 : 787,554.41 = 366,551.97 : x
  2. Step 2: Convert to fraction form
    570,422.49/787,554.41 = 366,551.97/x
  3. Step 3: Cross multiply
    570,422.49x = 787,554.41 × 366,551.97
  4. Step 4: Simplify right side
    570,422.49x = 288,679,620,467.69
  5. Step 5: Solve for x
    x = 288,679,620,467.69/570,422.49
  6. Step 6: Final answer
    x = 506,080.36

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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.