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Finding the Fourth Proportional to 571,520.90, 799,079.50 and 571,520.90

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Solution

The fourth proportional to 571,520.90, 799,079.50 and 571,520.90 is: 799,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,520.90 : 799,079.50 = 571,520.90 : x
  2. Step 2: Convert to fraction form
    571,520.90/799,079.50 = 571,520.90/x
  3. Step 3: Cross multiply
    571,520.90x = 799,079.50 × 571,520.90
  4. Step 4: Simplify right side
    571,520.90x = 456,690,635,011.55
  5. Step 5: Solve for x
    x = 456,690,635,011.55/571,520.90
  6. Step 6: Final answer
    x = 799,079.50

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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.