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Finding the Fourth Proportional to 483,507.27, 724,809.99 and 163,436.45

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Solution

The fourth proportional to 483,507.27, 724,809.99 and 163,436.45 is: 245,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,507.27 : 724,809.99 = 163,436.45 : x
  2. Step 2: Convert to fraction form
    483,507.27/724,809.99 = 163,436.45/x
  3. Step 3: Cross multiply
    483,507.27x = 724,809.99 × 163,436.45
  4. Step 4: Simplify right side
    483,507.27x = 118,460,368,066.09
  5. Step 5: Solve for x
    x = 118,460,368,066.09/483,507.27
  6. Step 6: Final answer
    x = 245,002.25

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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.