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Finding the Fourth Proportional to 555,086.06, 766,025.03 and 325,647.26

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Solution

The fourth proportional to 555,086.06, 766,025.03 and 325,647.26 is: 449,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,086.06 : 766,025.03 = 325,647.26 : x
  2. Step 2: Convert to fraction form
    555,086.06/766,025.03 = 325,647.26/x
  3. Step 3: Cross multiply
    555,086.06x = 766,025.03 × 325,647.26
  4. Step 4: Simplify right side
    555,086.06x = 249,453,948,280.79
  5. Step 5: Solve for x
    x = 249,453,948,280.79/555,086.06
  6. Step 6: Final answer
    x = 449,396.89

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1.5x scale

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.