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Finding the Fourth Proportional to 496,860.60, 745,233.30 and 141,929.40

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Solution

The fourth proportional to 496,860.60, 745,233.30 and 141,929.40 is: 212,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,860.60 : 745,233.30 = 141,929.40 : x
  2. Step 2: Convert to fraction form
    496,860.60/745,233.30 = 141,929.40/x
  3. Step 3: Cross multiply
    496,860.60x = 745,233.30 × 141,929.40
  4. Step 4: Simplify right side
    496,860.60x = 105,770,515,129.02
  5. Step 5: Solve for x
    x = 105,770,515,129.02/496,860.60
  6. Step 6: Final answer
    x = 212,877.65

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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.