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Finding the Fourth Proportional to 555,089.28, 765,941.12 and 337,184.64

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Solution

The fourth proportional to 555,089.28, 765,941.12 and 337,184.64 is: 465,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,089.28 : 765,941.12 = 337,184.64 : x
  2. Step 2: Convert to fraction form
    555,089.28/765,941.12 = 337,184.64/x
  3. Step 3: Cross multiply
    555,089.28x = 765,941.12 × 337,184.64
  4. Step 4: Simplify right side
    555,089.28x = 258,263,580,808.40
  5. Step 5: Solve for x
    x = 258,263,580,808.40/555,089.28
  6. Step 6: Final answer
    x = 465,264.94

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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.