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Finding the Fourth Proportional to 292,378.32, 403,459.56 and 165,066.48

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Solution

The fourth proportional to 292,378.32, 403,459.56 and 165,066.48 is: 227,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,378.32 : 403,459.56 = 165,066.48 : x
  2. Step 2: Convert to fraction form
    292,378.32/403,459.56 = 165,066.48/x
  3. Step 3: Cross multiply
    292,378.32x = 403,459.56 × 165,066.48
  4. Step 4: Simplify right side
    292,378.32x = 66,597,649,391.55
  5. Step 5: Solve for x
    x = 66,597,649,391.55/292,378.32
  6. Step 6: Final answer
    x = 227,779.03

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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.