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Finding the Fourth Proportional to 292,319.60, 403,401.06 and 165,003.40

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Solution

The fourth proportional to 292,319.60, 403,401.06 and 165,003.40 is: 227,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,319.60 : 403,401.06 = 165,003.40 : x
  2. Step 2: Convert to fraction form
    292,319.60/403,401.06 = 165,003.40/x
  3. Step 3: Cross multiply
    292,319.60x = 403,401.06 × 165,003.40
  4. Step 4: Simplify right side
    292,319.60x = 66,562,546,463.60
  5. Step 5: Solve for x
    x = 66,562,546,463.60/292,319.60
  6. Step 6: Final answer
    x = 227,704.70

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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.