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Finding the Fourth Proportional to 265,542.40, 366,443.91 and 144,684.67

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Solution

The fourth proportional to 265,542.40, 366,443.91 and 144,684.67 is: 199,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,542.40 : 366,443.91 = 144,684.67 : x
  2. Step 2: Convert to fraction form
    265,542.40/366,443.91 = 144,684.67/x
  3. Step 3: Cross multiply
    265,542.40x = 366,443.91 × 144,684.67
  4. Step 4: Simplify right side
    265,542.40x = 53,018,816,191.86
  5. Step 5: Solve for x
    x = 53,018,816,191.86/265,542.40
  6. Step 6: Final answer
    x = 199,662.34

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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.