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Finding the Fourth Proportional to 406,076.94, 606,209.09 and 352,947.42

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Solution

The fourth proportional to 406,076.94, 606,209.09 and 352,947.42 is: 526,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,076.94 : 606,209.09 = 352,947.42 : x
  2. Step 2: Convert to fraction form
    406,076.94/606,209.09 = 352,947.42/x
  3. Step 3: Cross multiply
    406,076.94x = 606,209.09 × 352,947.42
  4. Step 4: Simplify right side
    406,076.94x = 213,959,932,531.31
  5. Step 5: Solve for x
    x = 213,959,932,531.31/406,076.94
  6. Step 6: Final answer
    x = 526,895.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.