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Finding the Fourth Proportional to 541,834.40, 812,751.60 and 167,895.20

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Solution

The fourth proportional to 541,834.40, 812,751.60 and 167,895.20 is: 251,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,834.40 : 812,751.60 = 167,895.20 : x
  2. Step 2: Convert to fraction form
    541,834.40/812,751.60 = 167,895.20/x
  3. Step 3: Cross multiply
    541,834.40x = 812,751.60 × 167,895.20
  4. Step 4: Simplify right side
    541,834.40x = 136,457,092,432.32
  5. Step 5: Solve for x
    x = 136,457,092,432.32/541,834.40
  6. Step 6: Final answer
    x = 251,842.80

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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.