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Finding the Fourth Proportional to 358,349.74, 494,080.77 and 328,232.32

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Solution

The fourth proportional to 358,349.74, 494,080.77 and 328,232.32 is: 452,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,349.74 : 494,080.77 = 328,232.32 : x
  2. Step 2: Convert to fraction form
    358,349.74/494,080.77 = 328,232.32/x
  3. Step 3: Cross multiply
    358,349.74x = 494,080.77 × 328,232.32
  4. Step 4: Simplify right side
    358,349.74x = 162,173,277,404.49
  5. Step 5: Solve for x
    x = 162,173,277,404.49/358,349.74
  6. Step 6: Final answer
    x = 452,555.87

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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.