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Finding the Fourth Proportional to 603,757.94, 832,853.14 and 490,383.86

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Solution

The fourth proportional to 603,757.94, 832,853.14 and 490,383.86 is: 676,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,757.94 : 832,853.14 = 490,383.86 : x
  2. Step 2: Convert to fraction form
    603,757.94/832,853.14 = 490,383.86/x
  3. Step 3: Cross multiply
    603,757.94x = 832,853.14 × 490,383.86
  4. Step 4: Simplify right side
    603,757.94x = 408,417,732,216.10
  5. Step 5: Solve for x
    x = 408,417,732,216.10/603,757.94
  6. Step 6: Final answer
    x = 676,459.40

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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.