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Finding the Fourth Proportional to 262,032.72, 393,049.08 and 65,040.72

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Solution

The fourth proportional to 262,032.72, 393,049.08 and 65,040.72 is: 97,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,032.72 : 393,049.08 = 65,040.72 : x
  2. Step 2: Convert to fraction form
    262,032.72/393,049.08 = 65,040.72/x
  3. Step 3: Cross multiply
    262,032.72x = 393,049.08 × 65,040.72
  4. Step 4: Simplify right side
    262,032.72x = 25,564,195,158.54
  5. Step 5: Solve for x
    x = 25,564,195,158.54/262,032.72
  6. Step 6: Final answer
    x = 97,561.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.