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Finding the Fourth Proportional to 571,518.90, 799,076.70 and 571,518.90

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Solution

The fourth proportional to 571,518.90, 799,076.70 and 571,518.90 is: 799,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,518.90 : 799,076.70 = 571,518.90 : x
  2. Step 2: Convert to fraction form
    571,518.90/799,076.70 = 571,518.90/x
  3. Step 3: Cross multiply
    571,518.90x = 799,076.70 × 571,518.90
  4. Step 4: Simplify right side
    571,518.90x = 456,687,436,599.63
  5. Step 5: Solve for x
    x = 456,687,436,599.63/571,518.90
  6. Step 6: Final answer
    x = 799,076.70

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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.