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Finding the Fourth Proportional to 570,798.80, 787,525.03 and 329,050.55

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Solution

The fourth proportional to 570,798.80, 787,525.03 and 329,050.55 is: 453,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,798.80 : 787,525.03 = 329,050.55 : x
  2. Step 2: Convert to fraction form
    570,798.80/787,525.03 = 329,050.55/x
  3. Step 3: Cross multiply
    570,798.80x = 787,525.03 × 329,050.55
  4. Step 4: Simplify right side
    570,798.80x = 259,135,546,640.39
  5. Step 5: Solve for x
    x = 259,135,546,640.39/570,798.80
  6. Step 6: Final answer
    x = 453,987.55

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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.