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Finding the Fourth Proportional to 292,679.56, 403,875.30 and 165,366.76

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Solution

The fourth proportional to 292,679.56, 403,875.30 and 165,366.76 is: 228,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,679.56 : 403,875.30 = 165,366.76 : x
  2. Step 2: Convert to fraction form
    292,679.56/403,875.30 = 165,366.76/x
  3. Step 3: Cross multiply
    292,679.56x = 403,875.30 × 165,366.76
  4. Step 4: Simplify right side
    292,679.56x = 66,787,549,805.03
  5. Step 5: Solve for x
    x = 66,787,549,805.03/292,679.56
  6. Step 6: Final answer
    x = 228,193.42

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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.