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Finding the Fourth Proportional to 333,145.92, 459,686.88 and 189,908.64

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Solution

The fourth proportional to 333,145.92, 459,686.88 and 189,908.64 is: 262,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,145.92 : 459,686.88 = 189,908.64 : x
  2. Step 2: Convert to fraction form
    333,145.92/459,686.88 = 189,908.64/x
  3. Step 3: Cross multiply
    333,145.92x = 459,686.88 × 189,908.64
  4. Step 4: Simplify right side
    333,145.92x = 87,298,510,206.64
  5. Step 5: Solve for x
    x = 87,298,510,206.64/333,145.92
  6. Step 6: Final answer
    x = 262,042.86

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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.