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Finding the Fourth Proportional to 483,708.80, 725,564.96 and 146,752.32

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Solution

The fourth proportional to 483,708.80, 725,564.96 and 146,752.32 is: 220,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,708.80 : 725,564.96 = 146,752.32 : x
  2. Step 2: Convert to fraction form
    483,708.80/725,564.96 = 146,752.32/x
  3. Step 3: Cross multiply
    483,708.80x = 725,564.96 × 146,752.32
  4. Step 4: Simplify right side
    483,708.80x = 106,478,341,190.71
  5. Step 5: Solve for x
    x = 106,478,341,190.71/483,708.80
  6. Step 6: Final answer
    x = 220,129.01

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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.