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Finding the Fourth Proportional to 363,335.80, 545,925.30 and 322,785.40

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Solution

The fourth proportional to 363,335.80, 545,925.30 and 322,785.40 is: 484,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,335.80 : 545,925.30 = 322,785.40 : x
  2. Step 2: Convert to fraction form
    363,335.80/545,925.30 = 322,785.40/x
  3. Step 3: Cross multiply
    363,335.80x = 545,925.30 × 322,785.40
  4. Step 4: Simplify right side
    363,335.80x = 176,216,716,330.62
  5. Step 5: Solve for x
    x = 176,216,716,330.62/363,335.80
  6. Step 6: Final answer
    x = 484,996.84

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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.