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Finding the Fourth Proportional to 275,752.59, 380,683.70 and 185,582.58

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Solution

The fourth proportional to 275,752.59, 380,683.70 and 185,582.58 is: 256,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,752.59 : 380,683.70 = 185,582.58 : x
  2. Step 2: Convert to fraction form
    275,752.59/380,683.70 = 185,582.58/x
  3. Step 3: Cross multiply
    275,752.59x = 380,683.70 × 185,582.58
  4. Step 4: Simplify right side
    275,752.59x = 70,648,263,209.95
  5. Step 5: Solve for x
    x = 70,648,263,209.95/275,752.59
  6. Step 6: Final answer
    x = 256,201.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.