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Finding the Fourth Proportional to 693,004.88, 956,292.68 and 402,568.38

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Solution

The fourth proportional to 693,004.88, 956,292.68 and 402,568.38 is: 555,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,004.88 : 956,292.68 = 402,568.38 : x
  2. Step 2: Convert to fraction form
    693,004.88/956,292.68 = 402,568.38/x
  3. Step 3: Cross multiply
    693,004.88x = 956,292.68 × 402,568.38
  4. Step 4: Simplify right side
    693,004.88x = 384,973,195,999.88
  5. Step 5: Solve for x
    x = 384,973,195,999.88/693,004.88
  6. Step 6: Final answer
    x = 555,512.96

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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.