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Finding the Fourth Proportional to 207,277.60, 309,299.79 and 184,937.40

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Solution

The fourth proportional to 207,277.60, 309,299.79 and 184,937.40 is: 275,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,277.60 : 309,299.79 = 184,937.40 : x
  2. Step 2: Convert to fraction form
    207,277.60/309,299.79 = 184,937.40/x
  3. Step 3: Cross multiply
    207,277.60x = 309,299.79 × 184,937.40
  4. Step 4: Simplify right side
    207,277.60x = 57,201,098,058.46
  5. Step 5: Solve for x
    x = 57,201,098,058.46/207,277.60
  6. Step 6: Final answer
    x = 275,963.72

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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.