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Finding the Fourth Proportional to 292,563.60, 403,735.45 and 158,427.60

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Solution

The fourth proportional to 292,563.60, 403,735.45 and 158,427.60 is: 218,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,563.60 : 403,735.45 = 158,427.60 : x
  2. Step 2: Convert to fraction form
    292,563.60/403,735.45 = 158,427.60/x
  3. Step 3: Cross multiply
    292,563.60x = 403,735.45 × 158,427.60
  4. Step 4: Simplify right side
    292,563.60x = 63,962,838,378.42
  5. Step 5: Solve for x
    x = 63,962,838,378.42/292,563.60
  6. Step 6: Final answer
    x = 218,628.83

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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.