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Finding the Fourth Proportional to 712,093.88, 982,246.92 and 440,244.92

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Solution

The fourth proportional to 712,093.88, 982,246.92 and 440,244.92 is: 607,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,093.88 : 982,246.92 = 440,244.92 : x
  2. Step 2: Convert to fraction form
    712,093.88/982,246.92 = 440,244.92/x
  3. Step 3: Cross multiply
    712,093.88x = 982,246.92 × 440,244.92
  4. Step 4: Simplify right side
    712,093.88x = 432,429,216,715.65
  5. Step 5: Solve for x
    x = 432,429,216,715.65/712,093.88
  6. Step 6: Final answer
    x = 607,264.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.