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Finding the Fourth Proportional to 522,906.03, 784,489.86 and 148,929.03

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Solution

The fourth proportional to 522,906.03, 784,489.86 and 148,929.03 is: 223,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,906.03 : 784,489.86 = 148,929.03 : x
  2. Step 2: Convert to fraction form
    522,906.03/784,489.86 = 148,929.03/x
  3. Step 3: Cross multiply
    522,906.03x = 784,489.86 × 148,929.03
  4. Step 4: Simplify right side
    522,906.03x = 116,833,313,894.64
  5. Step 5: Solve for x
    x = 116,833,313,894.64/522,906.03
  6. Step 6: Final answer
    x = 223,430.80

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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.