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Finding the Fourth Proportional to 451,046.64, 676,897.20 and 363,359.28

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Solution

The fourth proportional to 451,046.64, 676,897.20 and 363,359.28 is: 545,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,046.64 : 676,897.20 = 363,359.28 : x
  2. Step 2: Convert to fraction form
    451,046.64/676,897.20 = 363,359.28/x
  3. Step 3: Cross multiply
    451,046.64x = 676,897.20 × 363,359.28
  4. Step 4: Simplify right side
    451,046.64x = 245,956,879,226.02
  5. Step 5: Solve for x
    x = 245,956,879,226.02/451,046.64
  6. Step 6: Final answer
    x = 545,302.54

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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.