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Finding the Fourth Proportional to 497,760.22, 746,750.90 and 142,746.94

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Solution

The fourth proportional to 497,760.22, 746,750.90 and 142,746.94 is: 214,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,760.22 : 746,750.90 = 142,746.94 : x
  2. Step 2: Convert to fraction form
    497,760.22/746,750.90 = 142,746.94/x
  3. Step 3: Cross multiply
    497,760.22x = 746,750.90 × 142,746.94
  4. Step 4: Simplify right side
    497,760.22x = 106,596,405,917.25
  5. Step 5: Solve for x
    x = 106,596,405,917.25/497,760.22
  6. Step 6: Final answer
    x = 214,152.12

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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.