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Finding the Fourth Proportional to 483,495.70, 724,988.40 and 163,537.60

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Solution

The fourth proportional to 483,495.70, 724,988.40 and 163,537.60 is: 245,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,495.70 : 724,988.40 = 163,537.60 : x
  2. Step 2: Convert to fraction form
    483,495.70/724,988.40 = 163,537.60/x
  3. Step 3: Cross multiply
    483,495.70x = 724,988.40 × 163,537.60
  4. Step 4: Simplify right side
    483,495.70x = 118,562,862,963.84
  5. Step 5: Solve for x
    x = 118,562,862,963.84/483,495.70
  6. Step 6: Final answer
    x = 245,220.10

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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.