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Finding the Fourth Proportional to 560,329.02, 773,250.46 and 318,611.66

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Solution

The fourth proportional to 560,329.02, 773,250.46 and 318,611.66 is: 439,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,329.02 : 773,250.46 = 318,611.66 : x
  2. Step 2: Convert to fraction form
    560,329.02/773,250.46 = 318,611.66/x
  3. Step 3: Cross multiply
    560,329.02x = 773,250.46 × 318,611.66
  4. Step 4: Simplify right side
    560,329.02x = 246,366,607,993.58
  5. Step 5: Solve for x
    x = 246,366,607,993.58/560,329.02
  6. Step 6: Final answer
    x = 439,682.04

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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.