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Finding the Fourth Proportional to 456,283.83, 629,695.31 and 262,720.29

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Solution

The fourth proportional to 456,283.83, 629,695.31 and 262,720.29 is: 362,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,283.83 : 629,695.31 = 262,720.29 : x
  2. Step 2: Convert to fraction form
    456,283.83/629,695.31 = 262,720.29/x
  3. Step 3: Cross multiply
    456,283.83x = 629,695.31 × 262,720.29
  4. Step 4: Simplify right side
    456,283.83x = 165,433,734,454.84
  5. Step 5: Solve for x
    x = 165,433,734,454.84/456,283.83
  6. Step 6: Final answer
    x = 362,567.60

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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.