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Finding the Fourth Proportional to 265,609.60, 366,499.35 and 149,300.15

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Solution

The fourth proportional to 265,609.60, 366,499.35 and 149,300.15 is: 206,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,609.60 : 366,499.35 = 149,300.15 : x
  2. Step 2: Convert to fraction form
    265,609.60/366,499.35 = 149,300.15/x
  3. Step 3: Cross multiply
    265,609.60x = 366,499.35 × 149,300.15
  4. Step 4: Simplify right side
    265,609.60x = 54,718,406,097.41
  5. Step 5: Solve for x
    x = 54,718,406,097.41/265,609.60
  6. Step 6: Final answer
    x = 206,010.65

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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.