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Finding the Fourth Proportional to 307,069.14, 460,291.65 and 127,252.38

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Solution

The fourth proportional to 307,069.14, 460,291.65 and 127,252.38 is: 190,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,069.14 : 460,291.65 = 127,252.38 : x
  2. Step 2: Convert to fraction form
    307,069.14/460,291.65 = 127,252.38/x
  3. Step 3: Cross multiply
    307,069.14x = 460,291.65 × 127,252.38
  4. Step 4: Simplify right side
    307,069.14x = 58,573,207,956.63
  5. Step 5: Solve for x
    x = 58,573,207,956.63/307,069.14
  6. Step 6: Final answer
    x = 190,749.25

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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.