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Finding the Fourth Proportional to 571,203.53, 788,243.64 and 313,074.85

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Solution

The fourth proportional to 571,203.53, 788,243.64 and 313,074.85 is: 432,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,203.53 : 788,243.64 = 313,074.85 : x
  2. Step 2: Convert to fraction form
    571,203.53/788,243.64 = 313,074.85/x
  3. Step 3: Cross multiply
    571,203.53x = 788,243.64 × 313,074.85
  4. Step 4: Simplify right side
    571,203.53x = 246,779,257,791.08
  5. Step 5: Solve for x
    x = 246,779,257,791.08/571,203.53
  6. Step 6: Final answer
    x = 432,033.85

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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.