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Finding the Fourth Proportional to 557,479.58, 832,006.54 and 503,671.28

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Solution

The fourth proportional to 557,479.58, 832,006.54 and 503,671.28 is: 751,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,479.58 : 832,006.54 = 503,671.28 : x
  2. Step 2: Convert to fraction form
    557,479.58/832,006.54 = 503,671.28/x
  3. Step 3: Cross multiply
    557,479.58x = 832,006.54 × 503,671.28
  4. Step 4: Simplify right side
    557,479.58x = 419,057,795,439.73
  5. Step 5: Solve for x
    x = 419,057,795,439.73/557,479.58
  6. Step 6: Final answer
    x = 751,700.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.