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Finding the Fourth Proportional to 497,228.60, 745,763.70 and 164,804.60

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Solution

The fourth proportional to 497,228.60, 745,763.70 and 164,804.60 is: 247,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,228.60 : 745,763.70 = 164,804.60 : x
  2. Step 2: Convert to fraction form
    497,228.60/745,763.70 = 164,804.60/x
  3. Step 3: Cross multiply
    497,228.60x = 745,763.70 × 164,804.60
  4. Step 4: Simplify right side
    497,228.60x = 122,905,288,273.02
  5. Step 5: Solve for x
    x = 122,905,288,273.02/497,228.60
  6. Step 6: Final answer
    x = 247,180.65

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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.