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Finding the Fourth Proportional to 543,829.58, 750,182.49 and 505,341.86

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Solution

The fourth proportional to 543,829.58, 750,182.49 and 505,341.86 is: 697,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,829.58 : 750,182.49 = 505,341.86 : x
  2. Step 2: Convert to fraction form
    543,829.58/750,182.49 = 505,341.86/x
  3. Step 3: Cross multiply
    543,829.58x = 750,182.49 × 505,341.86
  4. Step 4: Simplify right side
    543,829.58x = 379,098,614,836.03
  5. Step 5: Solve for x
    x = 379,098,614,836.03/543,829.58
  6. Step 6: Final answer
    x = 697,090.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.