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Finding the Fourth Proportional to 446,245.49, 615,756.83 and 262,492.40

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Solution

The fourth proportional to 446,245.49, 615,756.83 and 262,492.40 is: 362,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,245.49 : 615,756.83 = 262,492.40 : x
  2. Step 2: Convert to fraction form
    446,245.49/615,756.83 = 262,492.40/x
  3. Step 3: Cross multiply
    446,245.49x = 615,756.83 × 262,492.40
  4. Step 4: Simplify right side
    446,245.49x = 161,631,488,350.02
  5. Step 5: Solve for x
    x = 161,631,488,350.02/446,245.49
  6. Step 6: Final answer
    x = 362,203.07

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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.