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Finding the Fourth Proportional to 677,099.25, 934,397.10 and 375,293.25

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Solution

The fourth proportional to 677,099.25, 934,397.10 and 375,293.25 is: 517,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,099.25 : 934,397.10 = 375,293.25 : x
  2. Step 2: Convert to fraction form
    677,099.25/934,397.10 = 375,293.25/x
  3. Step 3: Cross multiply
    677,099.25x = 934,397.10 × 375,293.25
  4. Step 4: Simplify right side
    677,099.25x = 350,672,924,449.58
  5. Step 5: Solve for x
    x = 350,672,924,449.58/677,099.25
  6. Step 6: Final answer
    x = 517,904.76

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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.