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Finding the Fourth Proportional to 572,792.35, 790,365.58 and 331,028.24

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Solution

The fourth proportional to 572,792.35, 790,365.58 and 331,028.24 is: 456,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,792.35 : 790,365.58 = 331,028.24 : x
  2. Step 2: Convert to fraction form
    572,792.35/790,365.58 = 331,028.24/x
  3. Step 3: Cross multiply
    572,792.35x = 790,365.58 × 331,028.24
  4. Step 4: Simplify right side
    572,792.35x = 261,633,326,903.98
  5. Step 5: Solve for x
    x = 261,633,326,903.98/572,792.35
  6. Step 6: Final answer
    x = 456,768.19

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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.