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Finding the Fourth Proportional to 585,272.88, 807,671.52 and 317,000.88

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Solution

The fourth proportional to 585,272.88, 807,671.52 and 317,000.88 is: 437,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,272.88 : 807,671.52 = 317,000.88 : x
  2. Step 2: Convert to fraction form
    585,272.88/807,671.52 = 317,000.88/x
  3. Step 3: Cross multiply
    585,272.88x = 807,671.52 × 317,000.88
  4. Step 4: Simplify right side
    585,272.88x = 256,032,582,590.94
  5. Step 5: Solve for x
    x = 256,032,582,590.94/585,272.88
  6. Step 6: Final answer
    x = 437,458.48

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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.