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Finding the Fourth Proportional to 555,088.22, 766,028.23 and 325,649.45

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Solution

The fourth proportional to 555,088.22, 766,028.23 and 325,649.45 is: 449,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,088.22 : 766,028.23 = 325,649.45 : x
  2. Step 2: Convert to fraction form
    555,088.22/766,028.23 = 325,649.45/x
  3. Step 3: Cross multiply
    555,088.22x = 766,028.23 × 325,649.45
  4. Step 4: Simplify right side
    555,088.22x = 249,456,667,139.71
  5. Step 5: Solve for x
    x = 249,456,667,139.71/555,088.22
  6. Step 6: Final answer
    x = 449,400.04

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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.