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Finding the Fourth Proportional to 541,085.48, 811,620 and 186,102.58

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Solution

The fourth proportional to 541,085.48, 811,620 and 186,102.58 is: 279,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,085.48 : 811,620 = 186,102.58 : x
  2. Step 2: Convert to fraction form
    541,085.48/811,620 = 186,102.58/x
  3. Step 3: Cross multiply
    541,085.48x = 811,620 × 186,102.58
  4. Step 4: Simplify right side
    541,085.48x = 151,044,575,979.60
  5. Step 5: Solve for x
    x = 151,044,575,979.60/541,085.48
  6. Step 6: Final answer
    x = 279,151.04

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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.