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Finding the Fourth Proportional to 574,314.40, 790,844.60 and 561,570.11

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Solution

The fourth proportional to 574,314.40, 790,844.60 and 561,570.11 is: 773,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,314.40 : 790,844.60 = 561,570.11 : x
  2. Step 2: Convert to fraction form
    574,314.40/790,844.60 = 561,570.11/x
  3. Step 3: Cross multiply
    574,314.40x = 790,844.60 × 561,570.11
  4. Step 4: Simplify right side
    574,314.40x = 444,114,686,207.06
  5. Step 5: Solve for x
    x = 444,114,686,207.06/574,314.40
  6. Step 6: Final answer
    x = 773,295.41

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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.