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Finding the Fourth Proportional to 296,638.65, 444,957.70 and 119,145.69

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Solution

The fourth proportional to 296,638.65, 444,957.70 and 119,145.69 is: 178,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,638.65 : 444,957.70 = 119,145.69 : x
  2. Step 2: Convert to fraction form
    296,638.65/444,957.70 = 119,145.69/x
  3. Step 3: Cross multiply
    296,638.65x = 444,957.70 × 119,145.69
  4. Step 4: Simplify right side
    296,638.65x = 53,014,791,591.58
  5. Step 5: Solve for x
    x = 53,014,791,591.58/296,638.65
  6. Step 6: Final answer
    x = 178,718.42

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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.