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Finding the Fourth Proportional to 456,031.68, 629,322.72 and 254,827.68

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Solution

The fourth proportional to 456,031.68, 629,322.72 and 254,827.68 is: 351,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,031.68 : 629,322.72 = 254,827.68 : x
  2. Step 2: Convert to fraction form
    456,031.68/629,322.72 = 254,827.68/x
  3. Step 3: Cross multiply
    456,031.68x = 629,322.72 × 254,827.68
  4. Step 4: Simplify right side
    456,031.68x = 160,368,848,708.89
  5. Step 5: Solve for x
    x = 160,368,848,708.89/456,031.68
  6. Step 6: Final answer
    x = 351,661.64

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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.