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Finding the Fourth Proportional to 371,862.44, 512,904.32 and 341,332.45

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Solution

The fourth proportional to 371,862.44, 512,904.32 and 341,332.45 is: 470,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,862.44 : 512,904.32 = 341,332.45 : x
  2. Step 2: Convert to fraction form
    371,862.44/512,904.32 = 341,332.45/x
  3. Step 3: Cross multiply
    371,862.44x = 512,904.32 × 341,332.45
  4. Step 4: Simplify right side
    371,862.44x = 175,070,890,145.61
  5. Step 5: Solve for x
    x = 175,070,890,145.61/371,862.44
  6. Step 6: Final answer
    x = 470,794.76

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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.