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Finding the Fourth Proportional to 550,085.39, 824,651.04 and 212,893.93

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Solution

The fourth proportional to 550,085.39, 824,651.04 and 212,893.93 is: 319,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,085.39 : 824,651.04 = 212,893.93 : x
  2. Step 2: Convert to fraction form
    550,085.39/824,651.04 = 212,893.93/x
  3. Step 3: Cross multiply
    550,085.39x = 824,651.04 × 212,893.93
  4. Step 4: Simplify right side
    550,085.39x = 175,563,200,784.19
  5. Step 5: Solve for x
    x = 175,563,200,784.19/550,085.39
  6. Step 6: Final answer
    x = 319,156.27

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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.