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Finding the Fourth Proportional to 261,544.60, 360,920.64 and 148,388.68

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Solution

The fourth proportional to 261,544.60, 360,920.64 and 148,388.68 is: 204,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,544.60 : 360,920.64 = 148,388.68 : x
  2. Step 2: Convert to fraction form
    261,544.60/360,920.64 = 148,388.68/x
  3. Step 3: Cross multiply
    261,544.60x = 360,920.64 × 148,388.68
  4. Step 4: Simplify right side
    261,544.60x = 53,556,537,354.36
  5. Step 5: Solve for x
    x = 53,556,537,354.36/261,544.60
  6. Step 6: Final answer
    x = 204,770.19

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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.