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Finding the Fourth Proportional to 285,397.52, 425,584.06 and 265,452.08

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Solution

The fourth proportional to 285,397.52, 425,584.06 and 265,452.08 is: 395,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,397.52 : 425,584.06 = 265,452.08 : x
  2. Step 2: Convert to fraction form
    285,397.52/425,584.06 = 265,452.08/x
  3. Step 3: Cross multiply
    285,397.52x = 425,584.06 × 265,452.08
  4. Step 4: Simplify right side
    285,397.52x = 112,972,173,941.85
  5. Step 5: Solve for x
    x = 112,972,173,941.85/285,397.52
  6. Step 6: Final answer
    x = 395,841.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.