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Finding the Fourth Proportional to 571,208.96, 788,289.36 and 344,810.72

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Solution

The fourth proportional to 571,208.96, 788,289.36 and 344,810.72 is: 475,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,208.96 : 788,289.36 = 344,810.72 : x
  2. Step 2: Convert to fraction form
    571,208.96/788,289.36 = 344,810.72/x
  3. Step 3: Cross multiply
    571,208.96x = 788,289.36 × 344,810.72
  4. Step 4: Simplify right side
    571,208.96x = 271,810,621,789.94
  5. Step 5: Solve for x
    x = 271,810,621,789.94/571,208.96
  6. Step 6: Final answer
    x = 475,851.47

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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.