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Finding the Fourth Proportional to 261,458.93, 360,806.32 and 148,279.25

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Solution

The fourth proportional to 261,458.93, 360,806.32 and 148,279.25 is: 204,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,458.93 : 360,806.32 = 148,279.25 : x
  2. Step 2: Convert to fraction form
    261,458.93/360,806.32 = 148,279.25/x
  3. Step 3: Cross multiply
    261,458.93x = 360,806.32 × 148,279.25
  4. Step 4: Simplify right side
    261,458.93x = 53,500,090,524.86
  5. Step 5: Solve for x
    x = 53,500,090,524.86/261,458.93
  6. Step 6: Final answer
    x = 204,621.39

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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.