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Finding the Fourth Proportional to 265,229.36, 397,840.16 and 65,549.76

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Solution

The fourth proportional to 265,229.36, 397,840.16 and 65,549.76 is: 98,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,229.36 : 397,840.16 = 65,549.76 : x
  2. Step 2: Convert to fraction form
    265,229.36/397,840.16 = 65,549.76/x
  3. Step 3: Cross multiply
    265,229.36x = 397,840.16 × 65,549.76
  4. Step 4: Simplify right side
    265,229.36x = 26,078,328,666.39
  5. Step 5: Solve for x
    x = 26,078,328,666.39/265,229.36
  6. Step 6: Final answer
    x = 98,323.69

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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.