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Finding the Fourth Proportional to 593,729.20, 891,630.60 and 575,066.80

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Solution

The fourth proportional to 593,729.20, 891,630.60 and 575,066.80 is: 863,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,729.20 : 891,630.60 = 575,066.80 : x
  2. Step 2: Convert to fraction form
    593,729.20/891,630.60 = 575,066.80/x
  3. Step 3: Cross multiply
    593,729.20x = 891,630.60 × 575,066.80
  4. Step 4: Simplify right side
    593,729.20x = 512,747,155,924.08
  5. Step 5: Solve for x
    x = 512,747,155,924.08/593,729.20
  6. Step 6: Final answer
    x = 863,604.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.