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Finding the Fourth Proportional to 567,775.15, 783,530.42 and 309,652.52

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Solution

The fourth proportional to 567,775.15, 783,530.42 and 309,652.52 is: 427,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,775.15 : 783,530.42 = 309,652.52 : x
  2. Step 2: Convert to fraction form
    567,775.15/783,530.42 = 309,652.52/x
  3. Step 3: Cross multiply
    567,775.15x = 783,530.42 × 309,652.52
  4. Step 4: Simplify right side
    567,775.15x = 242,622,163,583.74
  5. Step 5: Solve for x
    x = 242,622,163,583.74/567,775.15
  6. Step 6: Final answer
    x = 427,320.86

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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.