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Finding the Fourth Proportional to 569,865.80, 786,167.70 and 343,382.60

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Solution

The fourth proportional to 569,865.80, 786,167.70 and 343,382.60 is: 473,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,865.80 : 786,167.70 = 343,382.60 : x
  2. Step 2: Convert to fraction form
    569,865.80/786,167.70 = 343,382.60/x
  3. Step 3: Cross multiply
    569,865.80x = 786,167.70 × 343,382.60
  4. Step 4: Simplify right side
    569,865.80x = 269,956,308,862.02
  5. Step 5: Solve for x
    x = 269,956,308,862.02/569,865.80
  6. Step 6: Final answer
    x = 473,719.09

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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.