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Finding the Fourth Proportional to 551,751.80, 827,627.70 and 441,159.80

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Solution

The fourth proportional to 551,751.80, 827,627.70 and 441,159.80 is: 661,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,751.80 : 827,627.70 = 441,159.80 : x
  2. Step 2: Convert to fraction form
    551,751.80/827,627.70 = 441,159.80/x
  3. Step 3: Cross multiply
    551,751.80x = 827,627.70 × 441,159.80
  4. Step 4: Simplify right side
    551,751.80x = 365,116,070,606.46
  5. Step 5: Solve for x
    x = 365,116,070,606.46/551,751.80
  6. Step 6: Final answer
    x = 661,739.70

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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.