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Finding the Fourth Proportional to 618,588.72, 926,675.11 and 293,914.76

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Solution

The fourth proportional to 618,588.72, 926,675.11 and 293,914.76 is: 440,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,588.72 : 926,675.11 = 293,914.76 : x
  2. Step 2: Convert to fraction form
    618,588.72/926,675.11 = 293,914.76/x
  3. Step 3: Cross multiply
    618,588.72x = 926,675.11 × 293,914.76
  4. Step 4: Simplify right side
    618,588.72x = 272,363,491,084.05
  5. Step 5: Solve for x
    x = 272,363,491,084.05/618,588.72
  6. Step 6: Final answer
    x = 440,298.19

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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.