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Finding the Fourth Proportional to 331,633.28, 497,498.88 and 118,384.64

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Solution

The fourth proportional to 331,633.28, 497,498.88 and 118,384.64 is: 177,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,633.28 : 497,498.88 = 118,384.64 : x
  2. Step 2: Convert to fraction form
    331,633.28/497,498.88 = 118,384.64/x
  3. Step 3: Cross multiply
    331,633.28x = 497,498.88 × 118,384.64
  4. Step 4: Simplify right side
    331,633.28x = 58,896,225,809.20
  5. Step 5: Solve for x
    x = 58,896,225,809.20/331,633.28
  6. Step 6: Final answer
    x = 177,594.44

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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.