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Finding the Fourth Proportional to 333,452.25, 500,177.59 and 257,661.02

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Solution

The fourth proportional to 333,452.25, 500,177.59 and 257,661.02 is: 386,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,452.25 : 500,177.59 = 257,661.02 : x
  2. Step 2: Convert to fraction form
    333,452.25/500,177.59 = 257,661.02/x
  3. Step 3: Cross multiply
    333,452.25x = 500,177.59 × 257,661.02
  4. Step 4: Simplify right side
    333,452.25x = 128,876,268,626.83
  5. Step 5: Solve for x
    x = 128,876,268,626.83/333,452.25
  6. Step 6: Final answer
    x = 386,490.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.