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Finding the Fourth Proportional to 570,317.37, 787,234.73 and 328,696.26

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Solution

The fourth proportional to 570,317.37, 787,234.73 and 328,696.26 is: 453,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,317.37 : 787,234.73 = 328,696.26 : x
  2. Step 2: Convert to fraction form
    570,317.37/787,234.73 = 328,696.26/x
  3. Step 3: Cross multiply
    570,317.37x = 787,234.73 × 328,696.26
  4. Step 4: Simplify right side
    570,317.37x = 258,761,109,849.63
  5. Step 5: Solve for x
    x = 258,761,109,849.63/570,317.37
  6. Step 6: Final answer
    x = 453,714.24

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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.