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Finding the Fourth Proportional to 615,042.90, 922,163.40 and 552,057.30

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Solution

The fourth proportional to 615,042.90, 922,163.40 and 552,057.30 is: 827,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,042.90 : 922,163.40 = 552,057.30 : x
  2. Step 2: Convert to fraction form
    615,042.90/922,163.40 = 552,057.30/x
  3. Step 3: Cross multiply
    615,042.90x = 922,163.40 × 552,057.30
  4. Step 4: Simplify right side
    615,042.90x = 509,087,036,762.82
  5. Step 5: Solve for x
    x = 509,087,036,762.82/615,042.90
  6. Step 6: Final answer
    x = 827,726.06

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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.