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Finding the Fourth Proportional to 483,135.54, 724,405.65 and 163,257.18

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Solution

The fourth proportional to 483,135.54, 724,405.65 and 163,257.18 is: 244,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,135.54 : 724,405.65 = 163,257.18 : x
  2. Step 2: Convert to fraction form
    483,135.54/724,405.65 = 163,257.18/x
  3. Step 3: Cross multiply
    483,135.54x = 724,405.65 × 163,257.18
  4. Step 4: Simplify right side
    483,135.54x = 118,264,423,595.07
  5. Step 5: Solve for x
    x = 118,264,423,595.07/483,135.54
  6. Step 6: Final answer
    x = 244,785.19

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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.