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Finding the Fourth Proportional to 571,348.84, 788,469.24 and 313,250.08

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Solution

The fourth proportional to 571,348.84, 788,469.24 and 313,250.08 is: 432,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,348.84 : 788,469.24 = 313,250.08 : x
  2. Step 2: Convert to fraction form
    571,348.84/788,469.24 = 313,250.08/x
  3. Step 3: Cross multiply
    571,348.84x = 788,469.24 × 313,250.08
  4. Step 4: Simplify right side
    571,348.84x = 246,988,052,507.54
  5. Step 5: Solve for x
    x = 246,988,052,507.54/571,348.84
  6. Step 6: Final answer
    x = 432,289.41

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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.