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Finding the Fourth Proportional to 452,615.16, 624,609.12 and 248,679.24

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Solution

The fourth proportional to 452,615.16, 624,609.12 and 248,679.24 is: 343,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,615.16 : 624,609.12 = 248,679.24 : x
  2. Step 2: Convert to fraction form
    452,615.16/624,609.12 = 248,679.24/x
  3. Step 3: Cross multiply
    452,615.16x = 624,609.12 × 248,679.24
  4. Step 4: Simplify right side
    452,615.16x = 155,327,321,258.67
  5. Step 5: Solve for x
    x = 155,327,321,258.67/452,615.16
  6. Step 6: Final answer
    x = 343,177.46

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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.