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Finding the Fourth Proportional to 348,214.86, 522,334.67 and 111,526.79

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Solution

The fourth proportional to 348,214.86, 522,334.67 and 111,526.79 is: 167,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,214.86 : 522,334.67 = 111,526.79 : x
  2. Step 2: Convert to fraction form
    348,214.86/522,334.67 = 111,526.79/x
  3. Step 3: Cross multiply
    348,214.86x = 522,334.67 × 111,526.79
  4. Step 4: Simplify right side
    348,214.86x = 58,254,305,881.50
  5. Step 5: Solve for x
    x = 58,254,305,881.50/348,214.86
  6. Step 6: Final answer
    x = 167,294.14

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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.