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Finding the Fourth Proportional to 675,863.10, 933,079.23 and 504,724.68

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Solution

The fourth proportional to 675,863.10, 933,079.23 and 504,724.68 is: 696,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,863.10 : 933,079.23 = 504,724.68 : x
  2. Step 2: Convert to fraction form
    675,863.10/933,079.23 = 504,724.68/x
  3. Step 3: Cross multiply
    675,863.10x = 933,079.23 × 504,724.68
  4. Step 4: Simplify right side
    675,863.10x = 470,948,115,776.40
  5. Step 5: Solve for x
    x = 470,948,115,776.40/675,863.10
  6. Step 6: Final answer
    x = 696,809.92

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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.