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Finding the Fourth Proportional to 576,021.10, 804,563.30 and 576,021.10

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Solution

The fourth proportional to 576,021.10, 804,563.30 and 576,021.10 is: 804,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,021.10 : 804,563.30 = 576,021.10 : x
  2. Step 2: Convert to fraction form
    576,021.10/804,563.30 = 576,021.10/x
  3. Step 3: Cross multiply
    576,021.10x = 804,563.30 × 576,021.10
  4. Step 4: Simplify right side
    576,021.10x = 463,445,437,085.63
  5. Step 5: Solve for x
    x = 463,445,437,085.63/576,021.10
  6. Step 6: Final answer
    x = 804,563.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.