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Finding the Fourth Proportional to 483,686.46, 665,725.50 and 425,947.77

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Solution

The fourth proportional to 483,686.46, 665,725.50 and 425,947.77 is: 586,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,686.46 : 665,725.50 = 425,947.77 : x
  2. Step 2: Convert to fraction form
    483,686.46/665,725.50 = 425,947.77/x
  3. Step 3: Cross multiply
    483,686.46x = 665,725.50 × 425,947.77
  4. Step 4: Simplify right side
    483,686.46x = 283,564,292,157.14
  5. Step 5: Solve for x
    x = 283,564,292,157.14/483,686.46
  6. Step 6: Final answer
    x = 586,256.42

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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.