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Finding the Fourth Proportional to 315,568.66, 435,525.90 and 179,576.14

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Solution

The fourth proportional to 315,568.66, 435,525.90 and 179,576.14 is: 247,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,568.66 : 435,525.90 = 179,576.14 : x
  2. Step 2: Convert to fraction form
    315,568.66/435,525.90 = 179,576.14/x
  3. Step 3: Cross multiply
    315,568.66x = 435,525.90 × 179,576.14
  4. Step 4: Simplify right side
    315,568.66x = 78,210,059,992.03
  5. Step 5: Solve for x
    x = 78,210,059,992.03/315,568.66
  6. Step 6: Final answer
    x = 247,838.49

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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.