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Finding the Fourth Proportional to 611,672.58, 917,509.50 and 232,504.20

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Solution

The fourth proportional to 611,672.58, 917,509.50 and 232,504.20 is: 348,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,672.58 : 917,509.50 = 232,504.20 : x
  2. Step 2: Convert to fraction form
    611,672.58/917,509.50 = 232,504.20/x
  3. Step 3: Cross multiply
    611,672.58x = 917,509.50 × 232,504.20
  4. Step 4: Simplify right side
    611,672.58x = 213,324,812,289.90
  5. Step 5: Solve for x
    x = 213,324,812,289.90/611,672.58
  6. Step 6: Final answer
    x = 348,756.54

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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.