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Finding the Fourth Proportional to 410,030.60, 614,778.60 and 368,040.20

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Solution

The fourth proportional to 410,030.60, 614,778.60 and 368,040.20 is: 551,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,030.60 : 614,778.60 = 368,040.20 : x
  2. Step 2: Convert to fraction form
    410,030.60/614,778.60 = 368,040.20/x
  3. Step 3: Cross multiply
    410,030.60x = 614,778.60 × 368,040.20
  4. Step 4: Simplify right side
    410,030.60x = 226,263,238,899.72
  5. Step 5: Solve for x
    x = 226,263,238,899.72/410,030.60
  6. Step 6: Final answer
    x = 551,820.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.