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Finding the Fourth Proportional to 690,600.88, 952,961.04 and 384,666.96

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Solution

The fourth proportional to 690,600.88, 952,961.04 and 384,666.96 is: 530,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,600.88 : 952,961.04 = 384,666.96 : x
  2. Step 2: Convert to fraction form
    690,600.88/952,961.04 = 384,666.96/x
  3. Step 3: Cross multiply
    690,600.88x = 952,961.04 × 384,666.96
  4. Step 4: Simplify right side
    690,600.88x = 366,572,626,255.24
  5. Step 5: Solve for x
    x = 366,572,626,255.24/690,600.88
  6. Step 6: Final answer
    x = 530,802.43

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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.