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Finding the Fourth Proportional to 569,753.75, 786,200.16 and 340,279.19

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Solution

The fourth proportional to 569,753.75, 786,200.16 and 340,279.19 is: 469,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,753.75 : 786,200.16 = 340,279.19 : x
  2. Step 2: Convert to fraction form
    569,753.75/786,200.16 = 340,279.19/x
  3. Step 3: Cross multiply
    569,753.75x = 786,200.16 × 340,279.19
  4. Step 4: Simplify right side
    569,753.75x = 267,527,553,915.97
  5. Step 5: Solve for x
    x = 267,527,553,915.97/569,753.75
  6. Step 6: Final answer
    x = 469,549.44

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1.5x scale

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.