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Finding the Fourth Proportional to 260,341.38, 359,457.30 and 203,044.71

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Solution

The fourth proportional to 260,341.38, 359,457.30 and 203,044.71 is: 280,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,341.38 : 359,457.30 = 203,044.71 : x
  2. Step 2: Convert to fraction form
    260,341.38/359,457.30 = 203,044.71/x
  3. Step 3: Cross multiply
    260,341.38x = 359,457.30 × 203,044.71
  4. Step 4: Simplify right side
    260,341.38x = 72,985,903,235.88
  5. Step 5: Solve for x
    x = 72,985,903,235.88/260,341.38
  6. Step 6: Final answer
    x = 280,346.92

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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.