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Finding the Fourth Proportional to 529,281.90, 793,922.82 and 192,259.68

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Solution

The fourth proportional to 529,281.90, 793,922.82 and 192,259.68 is: 288,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,281.90 : 793,922.82 = 192,259.68 : x
  2. Step 2: Convert to fraction form
    529,281.90/793,922.82 = 192,259.68/x
  3. Step 3: Cross multiply
    529,281.90x = 793,922.82 × 192,259.68
  4. Step 4: Simplify right side
    529,281.90x = 152,639,347,317.90
  5. Step 5: Solve for x
    x = 152,639,347,317.90/529,281.90
  6. Step 6: Final answer
    x = 288,389.51

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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.