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Finding the Fourth Proportional to 526,696.66, 790,051.69 and 185,126.30

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Solution

The fourth proportional to 526,696.66, 790,051.69 and 185,126.30 is: 277,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,696.66 : 790,051.69 = 185,126.30 : x
  2. Step 2: Convert to fraction form
    526,696.66/790,051.69 = 185,126.30/x
  3. Step 3: Cross multiply
    526,696.66x = 790,051.69 × 185,126.30
  4. Step 4: Simplify right side
    526,696.66x = 146,259,342,228.19
  5. Step 5: Solve for x
    x = 146,259,342,228.19/526,696.66
  6. Step 6: Final answer
    x = 277,691.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.