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Finding the Fourth Proportional to 375,267.68, 517,918.56 and 214,085.60

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Solution

The fourth proportional to 375,267.68, 517,918.56 and 214,085.60 is: 295,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,267.68 : 517,918.56 = 214,085.60 : x
  2. Step 2: Convert to fraction form
    375,267.68/517,918.56 = 214,085.60/x
  3. Step 3: Cross multiply
    375,267.68x = 517,918.56 × 214,085.60
  4. Step 4: Simplify right side
    375,267.68x = 110,878,905,668.74
  5. Step 5: Solve for x
    x = 110,878,905,668.74/375,267.68
  6. Step 6: Final answer
    x = 295,466.17

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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.