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Finding the Fourth Proportional to 517,801.44, 714,787.08 and 348,134

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Solution

The fourth proportional to 517,801.44, 714,787.08 and 348,134 is: 480,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,801.44 : 714,787.08 = 348,134 : x
  2. Step 2: Convert to fraction form
    517,801.44/714,787.08 = 348,134/x
  3. Step 3: Cross multiply
    517,801.44x = 714,787.08 × 348,134
  4. Step 4: Simplify right side
    517,801.44x = 248,841,685,308.72
  5. Step 5: Solve for x
    x = 248,841,685,308.72/517,801.44
  6. Step 6: Final answer
    x = 480,573.57

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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.