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Finding the Fourth Proportional to 681,890.72, 941,412.84 and 606,230.24

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Solution

The fourth proportional to 681,890.72, 941,412.84 and 606,230.24 is: 836,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,890.72 : 941,412.84 = 606,230.24 : x
  2. Step 2: Convert to fraction form
    681,890.72/941,412.84 = 606,230.24/x
  3. Step 3: Cross multiply
    681,890.72x = 941,412.84 × 606,230.24
  4. Step 4: Simplify right side
    681,890.72x = 570,712,931,932.28
  5. Step 5: Solve for x
    x = 570,712,931,932.28/681,890.72
  6. Step 6: Final answer
    x = 836,956.59

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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.