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Finding the Fourth Proportional to 332,181, 458,434.42 and 188,987.18

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Solution

The fourth proportional to 332,181, 458,434.42 and 188,987.18 is: 260,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,181 : 458,434.42 = 188,987.18 : x
  2. Step 2: Convert to fraction form
    332,181/458,434.42 = 188,987.18/x
  3. Step 3: Cross multiply
    332,181x = 458,434.42 × 188,987.18
  4. Step 4: Simplify right side
    332,181x = 86,638,225,486.10
  5. Step 5: Solve for x
    x = 86,638,225,486.10/332,181
  6. Step 6: Final answer
    x = 260,816.32

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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.