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Finding the Fourth Proportional to 554,762.03, 765,593.30 and 325,287.41

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Solution

The fourth proportional to 554,762.03, 765,593.30 and 325,287.41 is: 448,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,762.03 : 765,593.30 = 325,287.41 : x
  2. Step 2: Convert to fraction form
    554,762.03/765,593.30 = 325,287.41/x
  3. Step 3: Cross multiply
    554,762.03x = 765,593.30 × 325,287.41
  4. Step 4: Simplify right side
    554,762.03x = 249,037,858,655.61
  5. Step 5: Solve for x
    x = 249,037,858,655.61/554,762.03
  6. Step 6: Final answer
    x = 448,909.35

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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.