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Finding the Fourth Proportional to 551,525.60, 826,699.80 and 314,357.60

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Solution

The fourth proportional to 551,525.60, 826,699.80 and 314,357.60 is: 471,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,525.60 : 826,699.80 = 314,357.60 : x
  2. Step 2: Convert to fraction form
    551,525.60/826,699.80 = 314,357.60/x
  3. Step 3: Cross multiply
    551,525.60x = 826,699.80 × 314,357.60
  4. Step 4: Simplify right side
    551,525.60x = 259,879,365,048.48
  5. Step 5: Solve for x
    x = 259,879,365,048.48/551,525.60
  6. Step 6: Final answer
    x = 471,200.91

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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.