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Finding the Fourth Proportional to 483,748.80, 725,624.64 and 146,792.16

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Solution

The fourth proportional to 483,748.80, 725,624.64 and 146,792.16 is: 220,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,748.80 : 725,624.64 = 146,792.16 : x
  2. Step 2: Convert to fraction form
    483,748.80/725,624.64 = 146,792.16/x
  3. Step 3: Cross multiply
    483,748.80x = 725,624.64 × 146,792.16
  4. Step 4: Simplify right side
    483,748.80x = 106,516,008,254.82
  5. Step 5: Solve for x
    x = 106,516,008,254.82/483,748.80
  6. Step 6: Final answer
    x = 220,188.68

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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.