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Finding the Fourth Proportional to 194,643.60, 291,965.40 and 186,867.60

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Solution

The fourth proportional to 194,643.60, 291,965.40 and 186,867.60 is: 280,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,643.60 : 291,965.40 = 186,867.60 : x
  2. Step 2: Convert to fraction form
    194,643.60/291,965.40 = 186,867.60/x
  3. Step 3: Cross multiply
    194,643.60x = 291,965.40 × 186,867.60
  4. Step 4: Simplify right side
    194,643.60x = 54,558,873,581.04
  5. Step 5: Solve for x
    x = 54,558,873,581.04/194,643.60
  6. Step 6: Final answer
    x = 280,301.40

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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.