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Finding the Fourth Proportional to 603,436.92, 832,650.38 and 348,738.92

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Solution

The fourth proportional to 603,436.92, 832,650.38 and 348,738.92 is: 481,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,436.92 : 832,650.38 = 348,738.92 : x
  2. Step 2: Convert to fraction form
    603,436.92/832,650.38 = 348,738.92/x
  3. Step 3: Cross multiply
    603,436.92x = 832,650.38 × 348,738.92
  4. Step 4: Simplify right side
    603,436.92x = 290,377,594,258.79
  5. Step 5: Solve for x
    x = 290,377,594,258.79/603,436.92
  6. Step 6: Final answer
    x = 481,206.21

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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.