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Finding the Fourth Proportional to 375,307.63, 517,961.51 and 214,186.93

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Solution

The fourth proportional to 375,307.63, 517,961.51 and 214,186.93 is: 295,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,307.63 : 517,961.51 = 214,186.93 : x
  2. Step 2: Convert to fraction form
    375,307.63/517,961.51 = 214,186.93/x
  3. Step 3: Cross multiply
    375,307.63x = 517,961.51 × 214,186.93
  4. Step 4: Simplify right side
    375,307.63x = 110,940,585,685.06
  5. Step 5: Solve for x
    x = 110,940,585,685.06/375,307.63
  6. Step 6: Final answer
    x = 295,599.07

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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.