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Finding the Fourth Proportional to 332,127.76, 458,346.40 and 188,908.40

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Solution

The fourth proportional to 332,127.76, 458,346.40 and 188,908.40 is: 260,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,127.76 : 458,346.40 = 188,908.40 : x
  2. Step 2: Convert to fraction form
    332,127.76/458,346.40 = 188,908.40/x
  3. Step 3: Cross multiply
    332,127.76x = 458,346.40 × 188,908.40
  4. Step 4: Simplify right side
    332,127.76x = 86,585,485,069.76
  5. Step 5: Solve for x
    x = 86,585,485,069.76/332,127.76
  6. Step 6: Final answer
    x = 260,699.33

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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.