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Finding the Fourth Proportional to 508,415.04, 762,873.12 and 359,611.56

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Solution

The fourth proportional to 508,415.04, 762,873.12 and 359,611.56 is: 539,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,415.04 : 762,873.12 = 359,611.56 : x
  2. Step 2: Convert to fraction form
    508,415.04/762,873.12 = 359,611.56/x
  3. Step 3: Cross multiply
    508,415.04x = 762,873.12 × 359,611.56
  4. Step 4: Simplify right side
    508,415.04x = 274,337,992,765.27
  5. Step 5: Solve for x
    x = 274,337,992,765.27/508,415.04
  6. Step 6: Final answer
    x = 539,594.57

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1.5x scale

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.