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Finding the Fourth Proportional to 554,182.46, 829,772.19 and 287,383.49

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Solution

The fourth proportional to 554,182.46, 829,772.19 and 287,383.49 is: 430,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,182.46 : 829,772.19 = 287,383.49 : x
  2. Step 2: Convert to fraction form
    554,182.46/829,772.19 = 287,383.49/x
  3. Step 3: Cross multiply
    554,182.46x = 829,772.19 × 287,383.49
  4. Step 4: Simplify right side
    554,182.46x = 238,462,827,867.14
  5. Step 5: Solve for x
    x = 238,462,827,867.14/554,182.46
  6. Step 6: Final answer
    x = 430,296.60

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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.