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Finding the Fourth Proportional to 552,655.70, 828,983.55 and 384,694.10

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Solution

The fourth proportional to 552,655.70, 828,983.55 and 384,694.10 is: 577,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,655.70 : 828,983.55 = 384,694.10 : x
  2. Step 2: Convert to fraction form
    552,655.70/828,983.55 = 384,694.10/x
  3. Step 3: Cross multiply
    552,655.70x = 828,983.55 × 384,694.10
  4. Step 4: Simplify right side
    552,655.70x = 318,905,080,682.06
  5. Step 5: Solve for x
    x = 318,905,080,682.06/552,655.70
  6. Step 6: Final answer
    x = 577,041.15

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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.