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Finding the Fourth Proportional to 567,205.20, 850,807.80 and 357,253.20

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Solution

The fourth proportional to 567,205.20, 850,807.80 and 357,253.20 is: 535,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,205.20 : 850,807.80 = 357,253.20 : x
  2. Step 2: Convert to fraction form
    567,205.20/850,807.80 = 357,253.20/x
  3. Step 3: Cross multiply
    567,205.20x = 850,807.80 × 357,253.20
  4. Step 4: Simplify right side
    567,205.20x = 303,953,809,134.96
  5. Step 5: Solve for x
    x = 303,953,809,134.96/567,205.20
  6. Step 6: Final answer
    x = 535,879.80

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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.