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Finding the Fourth Proportional to 265,521.96, 366,416.94 and 144,668.28

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Solution

The fourth proportional to 265,521.96, 366,416.94 and 144,668.28 is: 199,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,521.96 : 366,416.94 = 144,668.28 : x
  2. Step 2: Convert to fraction form
    265,521.96/366,416.94 = 144,668.28/x
  3. Step 3: Cross multiply
    265,521.96x = 366,416.94 × 144,668.28
  4. Step 4: Simplify right side
    265,521.96x = 53,008,908,472.66
  5. Step 5: Solve for x
    x = 53,008,908,472.66/265,521.96
  6. Step 6: Final answer
    x = 199,640.39

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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.