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Finding the Fourth Proportional to 572,504.44, 790,019.58 and 317,855.56

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Solution

The fourth proportional to 572,504.44, 790,019.58 and 317,855.56 is: 438,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,504.44 : 790,019.58 = 317,855.56 : x
  2. Step 2: Convert to fraction form
    572,504.44/790,019.58 = 317,855.56/x
  3. Step 3: Cross multiply
    572,504.44x = 790,019.58 × 317,855.56
  4. Step 4: Simplify right side
    572,504.44x = 251,112,116,011.87
  5. Step 5: Solve for x
    x = 251,112,116,011.87/572,504.44
  6. Step 6: Final answer
    x = 438,620.38

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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.