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Finding the Fourth Proportional to 456,015.96, 629,364.57 and 262,419.69

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Solution

The fourth proportional to 456,015.96, 629,364.57 and 262,419.69 is: 362,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,015.96 : 629,364.57 = 262,419.69 : x
  2. Step 2: Convert to fraction form
    456,015.96/629,364.57 = 262,419.69/x
  3. Step 3: Cross multiply
    456,015.96x = 629,364.57 × 262,419.69
  4. Step 4: Simplify right side
    456,015.96x = 165,157,655,356.38
  5. Step 5: Solve for x
    x = 165,157,655,356.38/456,015.96
  6. Step 6: Final answer
    x = 362,175.16

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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.