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Finding the Fourth Proportional to 375,755.64, 518,532.02 and 214,607.36

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Solution

The fourth proportional to 375,755.64, 518,532.02 and 214,607.36 is: 296,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,755.64 : 518,532.02 = 214,607.36 : x
  2. Step 2: Convert to fraction form
    375,755.64/518,532.02 = 214,607.36/x
  3. Step 3: Cross multiply
    375,755.64x = 518,532.02 × 214,607.36
  4. Step 4: Simplify right side
    375,755.64x = 111,280,787,887.67
  5. Step 5: Solve for x
    x = 111,280,787,887.67/375,755.64
  6. Step 6: Final answer
    x = 296,152.01

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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.