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Finding the Fourth Proportional to 404,713.90, 567,428.90 and 404,713.90

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Solution

The fourth proportional to 404,713.90, 567,428.90 and 404,713.90 is: 567,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,713.90 : 567,428.90 = 404,713.90 : x
  2. Step 2: Convert to fraction form
    404,713.90/567,428.90 = 404,713.90/x
  3. Step 3: Cross multiply
    404,713.90x = 567,428.90 × 404,713.90
  4. Step 4: Simplify right side
    404,713.90x = 229,646,363,091.71
  5. Step 5: Solve for x
    x = 229,646,363,091.71/404,713.90
  6. Step 6: Final answer
    x = 567,428.90

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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.