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Finding the Fourth Proportional to 555,688.33, 766,850.01 and 326,200.34

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Solution

The fourth proportional to 555,688.33, 766,850.01 and 326,200.34 is: 450,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,688.33 : 766,850.01 = 326,200.34 : x
  2. Step 2: Convert to fraction form
    555,688.33/766,850.01 = 326,200.34/x
  3. Step 3: Cross multiply
    555,688.33x = 766,850.01 × 326,200.34
  4. Step 4: Simplify right side
    555,688.33x = 250,146,733,991.00
  5. Step 5: Solve for x
    x = 250,146,733,991.00/555,688.33
  6. Step 6: Final answer
    x = 450,156.54

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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.