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Finding the Fourth Proportional to 241,343.91, 331,873.58 and 209,457.45

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Solution

The fourth proportional to 241,343.91, 331,873.58 and 209,457.45 is: 288,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,343.91 : 331,873.58 = 209,457.45 : x
  2. Step 2: Convert to fraction form
    241,343.91/331,873.58 = 209,457.45/x
  3. Step 3: Cross multiply
    241,343.91x = 331,873.58 × 209,457.45
  4. Step 4: Simplify right side
    241,343.91x = 69,513,394,312.81
  5. Step 5: Solve for x
    x = 69,513,394,312.81/241,343.91
  6. Step 6: Final answer
    x = 288,026.30

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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.