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Finding the Fourth Proportional to 693,512.22, 956,776.54 and 435,238.46

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Solution

The fourth proportional to 693,512.22, 956,776.54 and 435,238.46 is: 600,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,512.22 : 956,776.54 = 435,238.46 : x
  2. Step 2: Convert to fraction form
    693,512.22/956,776.54 = 435,238.46/x
  3. Step 3: Cross multiply
    693,512.22x = 956,776.54 × 435,238.46
  4. Step 4: Simplify right side
    693,512.22x = 416,425,947,833.73
  5. Step 5: Solve for x
    x = 416,425,947,833.73/693,512.22
  6. Step 6: Final answer
    x = 600,459.42

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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.