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Finding the Fourth Proportional to 292,516.96, 403,674.96 and 158,380.96

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Solution

The fourth proportional to 292,516.96, 403,674.96 and 158,380.96 is: 218,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,516.96 : 403,674.96 = 158,380.96 : x
  2. Step 2: Convert to fraction form
    292,516.96/403,674.96 = 158,380.96/x
  3. Step 3: Cross multiply
    292,516.96x = 403,674.96 × 158,380.96
  4. Step 4: Simplify right side
    292,516.96x = 63,934,427,692.76
  5. Step 5: Solve for x
    x = 63,934,427,692.76/292,516.96
  6. Step 6: Final answer
    x = 218,566.57

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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.