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Finding the Fourth Proportional to 341,045.60, 470,519.52 and 197,726.72

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Solution

The fourth proportional to 341,045.60, 470,519.52 and 197,726.72 is: 272,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,045.60 : 470,519.52 = 197,726.72 : x
  2. Step 2: Convert to fraction form
    341,045.60/470,519.52 = 197,726.72/x
  3. Step 3: Cross multiply
    341,045.60x = 470,519.52 × 197,726.72
  4. Step 4: Simplify right side
    341,045.60x = 93,034,281,385.57
  5. Step 5: Solve for x
    x = 93,034,281,385.57/341,045.60
  6. Step 6: Final answer
    x = 272,791.33

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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.