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Finding the Fourth Proportional to 567,810.64, 851,715.93 and 147,086.50

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Solution

The fourth proportional to 567,810.64, 851,715.93 and 147,086.50 is: 220,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,810.64 : 851,715.93 = 147,086.50 : x
  2. Step 2: Convert to fraction form
    567,810.64/851,715.93 = 147,086.50/x
  3. Step 3: Cross multiply
    567,810.64x = 851,715.93 × 147,086.50
  4. Step 4: Simplify right side
    567,810.64x = 125,275,915,137.95
  5. Step 5: Solve for x
    x = 125,275,915,137.95/567,810.64
  6. Step 6: Final answer
    x = 220,629.74

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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.