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Finding the Fourth Proportional to 555,687.33, 766,848.63 and 326,199.34

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Solution

The fourth proportional to 555,687.33, 766,848.63 and 326,199.34 is: 450,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,687.33 : 766,848.63 = 326,199.34 : x
  2. Step 2: Convert to fraction form
    555,687.33/766,848.63 = 326,199.34/x
  3. Step 3: Cross multiply
    555,687.33x = 766,848.63 × 326,199.34
  4. Step 4: Simplify right side
    555,687.33x = 250,145,516,985.90
  5. Step 5: Solve for x
    x = 250,145,516,985.90/555,687.33
  6. Step 6: Final answer
    x = 450,155.16

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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.