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Finding the Fourth Proportional to 682,129.51, 941,101.02 and 437,249.31

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Solution

The fourth proportional to 682,129.51, 941,101.02 and 437,249.31 is: 603,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,129.51 : 941,101.02 = 437,249.31 : x
  2. Step 2: Convert to fraction form
    682,129.51/941,101.02 = 437,249.31/x
  3. Step 3: Cross multiply
    682,129.51x = 941,101.02 × 437,249.31
  4. Step 4: Simplify right side
    682,129.51x = 411,495,771,635.30
  5. Step 5: Solve for x
    x = 411,495,771,635.30/682,129.51
  6. Step 6: Final answer
    x = 603,251.68

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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.