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Finding the Fourth Proportional to 265,141.18, 397,712.58 and 65,461.60

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Solution

The fourth proportional to 265,141.18, 397,712.58 and 65,461.60 is: 98,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,141.18 : 397,712.58 = 65,461.60 : x
  2. Step 2: Convert to fraction form
    265,141.18/397,712.58 = 65,461.60/x
  3. Step 3: Cross multiply
    265,141.18x = 397,712.58 × 65,461.60
  4. Step 4: Simplify right side
    265,141.18x = 26,034,901,826.93
  5. Step 5: Solve for x
    x = 26,034,901,826.93/265,141.18
  6. Step 6: Final answer
    x = 98,192.60

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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.