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Finding the Fourth Proportional to 554,992.59, 765,807.70 and 325,463.30

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Solution

The fourth proportional to 554,992.59, 765,807.70 and 325,463.30 is: 449,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,992.59 : 765,807.70 = 325,463.30 : x
  2. Step 2: Convert to fraction form
    554,992.59/765,807.70 = 325,463.30/x
  3. Step 3: Cross multiply
    554,992.59x = 765,807.70 × 325,463.30
  4. Step 4: Simplify right side
    554,992.59x = 249,242,295,751.06
  5. Step 5: Solve for x
    x = 249,242,295,751.06/554,992.59
  6. Step 6: Final answer
    x = 449,091.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.