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Finding the Fourth Proportional to 384,725.58, 579,714.41 and 316,141.26

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Solution

The fourth proportional to 384,725.58, 579,714.41 and 316,141.26 is: 476,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,725.58 : 579,714.41 = 316,141.26 : x
  2. Step 2: Convert to fraction form
    384,725.58/579,714.41 = 316,141.26/x
  3. Step 3: Cross multiply
    384,725.58x = 579,714.41 × 316,141.26
  4. Step 4: Simplify right side
    384,725.58x = 183,271,642,436.85
  5. Step 5: Solve for x
    x = 183,271,642,436.85/384,725.58
  6. Step 6: Final answer
    x = 476,369.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.