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Finding the Fourth Proportional to 299,191.65, 412,833.69 and 178,330.74

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Solution

The fourth proportional to 299,191.65, 412,833.69 and 178,330.74 is: 246,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,191.65 : 412,833.69 = 178,330.74 : x
  2. Step 2: Convert to fraction form
    299,191.65/412,833.69 = 178,330.74/x
  3. Step 3: Cross multiply
    299,191.65x = 412,833.69 × 178,330.74
  4. Step 4: Simplify right side
    299,191.65x = 73,620,937,434.63
  5. Step 5: Solve for x
    x = 73,620,937,434.63/299,191.65
  6. Step 6: Final answer
    x = 246,066.15

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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.