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Finding the Fourth Proportional to 445,640.68, 615,062.76 and 264,452.52

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Solution

The fourth proportional to 445,640.68, 615,062.76 and 264,452.52 is: 364,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,640.68 : 615,062.76 = 264,452.52 : x
  2. Step 2: Convert to fraction form
    445,640.68/615,062.76 = 264,452.52/x
  3. Step 3: Cross multiply
    445,640.68x = 615,062.76 × 264,452.52
  4. Step 4: Simplify right side
    445,640.68x = 162,654,896,840.16
  5. Step 5: Solve for x
    x = 162,654,896,840.16/445,640.68
  6. Step 6: Final answer
    x = 364,991.13

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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.