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Finding the Fourth Proportional to 529,895.27, 794,843.12 and 130,543.81

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Solution

The fourth proportional to 529,895.27, 794,843.12 and 130,543.81 is: 195,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,895.27 : 794,843.12 = 130,543.81 : x
  2. Step 2: Convert to fraction form
    529,895.27/794,843.12 = 130,543.81/x
  3. Step 3: Cross multiply
    529,895.27x = 794,843.12 × 130,543.81
  4. Step 4: Simplify right side
    529,895.27x = 103,761,849,237.09
  5. Step 5: Solve for x
    x = 103,761,849,237.09/529,895.27
  6. Step 6: Final answer
    x = 195,815.77

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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.