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Finding the Fourth Proportional to 605,925.96, 836,139.74 and 333,978.88

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Solution

The fourth proportional to 605,925.96, 836,139.74 and 333,978.88 is: 460,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,925.96 : 836,139.74 = 333,978.88 : x
  2. Step 2: Convert to fraction form
    605,925.96/836,139.74 = 333,978.88/x
  3. Step 3: Cross multiply
    605,925.96x = 836,139.74 × 333,978.88
  4. Step 4: Simplify right side
    605,925.96x = 279,253,013,888.69
  5. Step 5: Solve for x
    x = 279,253,013,888.69/605,925.96
  6. Step 6: Final answer
    x = 460,869.86

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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.