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Finding the Fourth Proportional to 260,483.38, 359,457.24 and 147,308.56

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Solution

The fourth proportional to 260,483.38, 359,457.24 and 147,308.56 is: 203,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,483.38 : 359,457.24 = 147,308.56 : x
  2. Step 2: Convert to fraction form
    260,483.38/359,457.24 = 147,308.56/x
  3. Step 3: Cross multiply
    260,483.38x = 359,457.24 × 147,308.56
  4. Step 4: Simplify right side
    260,483.38x = 52,951,128,059.74
  5. Step 5: Solve for x
    x = 52,951,128,059.74/260,483.38
  6. Step 6: Final answer
    x = 203,280.26

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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.