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Finding the Fourth Proportional to 273,312.40, 409,277.40 and 218,016.40

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Solution

The fourth proportional to 273,312.40, 409,277.40 and 218,016.40 is: 326,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,312.40 : 409,277.40 = 218,016.40 : x
  2. Step 2: Convert to fraction form
    273,312.40/409,277.40 = 218,016.40/x
  3. Step 3: Cross multiply
    273,312.40x = 409,277.40 × 218,016.40
  4. Step 4: Simplify right side
    273,312.40x = 89,229,185,349.36
  5. Step 5: Solve for x
    x = 89,229,185,349.36/273,312.40
  6. Step 6: Final answer
    x = 326,473.24

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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.