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Finding the Fourth Proportional to 483,684.96, 665,723.43 and 425,946.27

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Solution

The fourth proportional to 483,684.96, 665,723.43 and 425,946.27 is: 586,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,684.96 : 665,723.43 = 425,946.27 : x
  2. Step 2: Convert to fraction form
    483,684.96/665,723.43 = 425,946.27/x
  3. Step 3: Cross multiply
    483,684.96x = 665,723.43 × 425,946.27
  4. Step 4: Simplify right side
    483,684.96x = 283,562,411,860.11
  5. Step 5: Solve for x
    x = 283,562,411,860.11/483,684.96
  6. Step 6: Final answer
    x = 586,254.35

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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.