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Finding the Fourth Proportional to 366,923.90, 550,385.85 and 156,971.90

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Solution

The fourth proportional to 366,923.90, 550,385.85 and 156,971.90 is: 235,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,923.90 : 550,385.85 = 156,971.90 : x
  2. Step 2: Convert to fraction form
    366,923.90/550,385.85 = 156,971.90/x
  3. Step 3: Cross multiply
    366,923.90x = 550,385.85 × 156,971.90
  4. Step 4: Simplify right side
    366,923.90x = 86,395,112,607.62
  5. Step 5: Solve for x
    x = 86,395,112,607.62/366,923.90
  6. Step 6: Final answer
    x = 235,457.85

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1.5x scale

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.