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Finding the Fourth Proportional to 694,705.72, 958,673.30 and 384,622.12

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Solution

The fourth proportional to 694,705.72, 958,673.30 and 384,622.12 is: 530,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,705.72 : 958,673.30 = 384,622.12 : x
  2. Step 2: Convert to fraction form
    694,705.72/958,673.30 = 384,622.12/x
  3. Step 3: Cross multiply
    694,705.72x = 958,673.30 × 384,622.12
  4. Step 4: Simplify right side
    694,705.72x = 368,726,956,042.24
  5. Step 5: Solve for x
    x = 368,726,956,042.24/694,705.72
  6. Step 6: Final answer
    x = 530,767.12

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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.