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Finding the Fourth Proportional to 292,684.56, 403,905.36 and 158,548.56

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Solution

The fourth proportional to 292,684.56, 403,905.36 and 158,548.56 is: 218,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,684.56 : 403,905.36 = 158,548.56 : x
  2. Step 2: Convert to fraction form
    292,684.56/403,905.36 = 158,548.56/x
  3. Step 3: Cross multiply
    292,684.56x = 403,905.36 × 158,548.56
  4. Step 4: Simplify right side
    292,684.56x = 64,038,613,204.28
  5. Step 5: Solve for x
    x = 64,038,613,204.28/292,684.56
  6. Step 6: Final answer
    x = 218,797.37

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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.