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Finding the Fourth Proportional to 534,902.12, 797,638.81 and 530,105.32

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Solution

The fourth proportional to 534,902.12, 797,638.81 and 530,105.32 is: 790,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,902.12 : 797,638.81 = 530,105.32 : x
  2. Step 2: Convert to fraction form
    534,902.12/797,638.81 = 530,105.32/x
  3. Step 3: Cross multiply
    534,902.12x = 797,638.81 × 530,105.32
  4. Step 4: Simplify right side
    534,902.12x = 422,832,576,619.47
  5. Step 5: Solve for x
    x = 422,832,576,619.47/534,902.12
  6. Step 6: Final answer
    x = 790,485.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.