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Finding the Fourth Proportional to 560,519.03, 773,540.88 and 315,519.59

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Solution

The fourth proportional to 560,519.03, 773,540.88 and 315,519.59 is: 435,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,519.03 : 773,540.88 = 315,519.59 : x
  2. Step 2: Convert to fraction form
    560,519.03/773,540.88 = 315,519.59/x
  3. Step 3: Cross multiply
    560,519.03x = 773,540.88 × 315,519.59
  4. Step 4: Simplify right side
    560,519.03x = 244,067,297,438.14
  5. Step 5: Solve for x
    x = 244,067,297,438.14/560,519.03
  6. Step 6: Final answer
    x = 435,430.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.