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Finding the Fourth Proportional to 338,303.25, 466,858.49 and 187,400.25

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Solution

The fourth proportional to 338,303.25, 466,858.49 and 187,400.25 is: 258,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,303.25 : 466,858.49 = 187,400.25 : x
  2. Step 2: Convert to fraction form
    338,303.25/466,858.49 = 187,400.25/x
  3. Step 3: Cross multiply
    338,303.25x = 466,858.49 × 187,400.25
  4. Step 4: Simplify right side
    338,303.25x = 87,489,396,803.62
  5. Step 5: Solve for x
    x = 87,489,396,803.62/338,303.25
  6. Step 6: Final answer
    x = 258,612.35

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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.