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Finding the Fourth Proportional to 615,494.70, 922,464.45 and 548,621.10

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Solution

The fourth proportional to 615,494.70, 922,464.45 and 548,621.10 is: 822,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,494.70 : 922,464.45 = 548,621.10 : x
  2. Step 2: Convert to fraction form
    615,494.70/922,464.45 = 548,621.10/x
  3. Step 3: Cross multiply
    615,494.70x = 922,464.45 × 548,621.10
  4. Step 4: Simplify right side
    615,494.70x = 506,083,461,269.90
  5. Step 5: Solve for x
    x = 506,083,461,269.90/615,494.70
  6. Step 6: Final answer
    x = 822,238.54

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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.