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Finding the Fourth Proportional to 483,455.16, 724,871.70 and 317,048.76

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Solution

The fourth proportional to 483,455.16, 724,871.70 and 317,048.76 is: 475,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,455.16 : 724,871.70 = 317,048.76 : x
  2. Step 2: Convert to fraction form
    483,455.16/724,871.70 = 317,048.76/x
  3. Step 3: Cross multiply
    483,455.16x = 724,871.70 × 317,048.76
  4. Step 4: Simplify right side
    483,455.16x = 229,819,673,644.09
  5. Step 5: Solve for x
    x = 229,819,673,644.09/483,455.16
  6. Step 6: Final answer
    x = 475,369.16

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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.