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Finding the Fourth Proportional to 265,590.60, 366,515.04 and 144,731.85

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Solution

The fourth proportional to 265,590.60, 366,515.04 and 144,731.85 is: 199,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,590.60 : 366,515.04 = 144,731.85 : x
  2. Step 2: Convert to fraction form
    265,590.60/366,515.04 = 144,731.85/x
  3. Step 3: Cross multiply
    265,590.60x = 366,515.04 × 144,731.85
  4. Step 4: Simplify right side
    265,590.60x = 53,046,399,792.02
  5. Step 5: Solve for x
    x = 53,046,399,792.02/265,590.60
  6. Step 6: Final answer
    x = 199,729.96

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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.