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Finding the Fourth Proportional to 569,966.07, 786,475.49 and 340,474.64

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Solution

The fourth proportional to 569,966.07, 786,475.49 and 340,474.64 is: 469,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,966.07 : 786,475.49 = 340,474.64 : x
  2. Step 2: Convert to fraction form
    569,966.07/786,475.49 = 340,474.64/x
  3. Step 3: Cross multiply
    569,966.07x = 786,475.49 × 340,474.64
  4. Step 4: Simplify right side
    569,966.07x = 267,774,957,991.33
  5. Step 5: Solve for x
    x = 267,774,957,991.33/569,966.07
  6. Step 6: Final answer
    x = 469,808.60

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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.