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Finding the Fourth Proportional to 265,686.62, 366,640.18 and 144,830.25

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Solution

The fourth proportional to 265,686.62, 366,640.18 and 144,830.25 is: 199,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,686.62 : 366,640.18 = 144,830.25 : x
  2. Step 2: Convert to fraction form
    265,686.62/366,640.18 = 144,830.25/x
  3. Step 3: Cross multiply
    265,686.62x = 366,640.18 × 144,830.25
  4. Step 4: Simplify right side
    265,686.62x = 53,100,588,567.37
  5. Step 5: Solve for x
    x = 53,100,588,567.37/265,686.62
  6. Step 6: Final answer
    x = 199,861.74

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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.