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Finding the Fourth Proportional to 486,044.58, 670,725.84 and 265,273.42

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Solution

The fourth proportional to 486,044.58, 670,725.84 and 265,273.42 is: 366,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,044.58 : 670,725.84 = 265,273.42 : x
  2. Step 2: Convert to fraction form
    486,044.58/670,725.84 = 265,273.42/x
  3. Step 3: Cross multiply
    486,044.58x = 670,725.84 × 265,273.42
  4. Step 4: Simplify right side
    486,044.58x = 177,925,737,459.17
  5. Step 5: Solve for x
    x = 177,925,737,459.17/486,044.58
  6. Step 6: Final answer
    x = 366,068.76

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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.