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Finding the Fourth Proportional to 554,710.10, 765,503.53 and 325,216.04

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Solution

The fourth proportional to 554,710.10, 765,503.53 and 325,216.04 is: 448,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,710.10 : 765,503.53 = 325,216.04 : x
  2. Step 2: Convert to fraction form
    554,710.10/765,503.53 = 325,216.04/x
  3. Step 3: Cross multiply
    554,710.10x = 765,503.53 × 325,216.04
  4. Step 4: Simplify right side
    554,710.10x = 248,954,021,992.06
  5. Step 5: Solve for x
    x = 248,954,021,992.06/554,710.10
  6. Step 6: Final answer
    x = 448,800.24

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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.