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Finding the Fourth Proportional to 292,115.80, 410,143.10 and 292,115.80

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Solution

The fourth proportional to 292,115.80, 410,143.10 and 292,115.80 is: 410,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,115.80 : 410,143.10 = 292,115.80 : x
  2. Step 2: Convert to fraction form
    292,115.80/410,143.10 = 292,115.80/x
  3. Step 3: Cross multiply
    292,115.80x = 410,143.10 × 292,115.80
  4. Step 4: Simplify right side
    292,115.80x = 119,809,279,770.98
  5. Step 5: Solve for x
    x = 119,809,279,770.98/292,115.80
  6. Step 6: Final answer
    x = 410,143.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.