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Finding the Fourth Proportional to 530,352.87, 795,529.31 and 436,661.79

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Solution

The fourth proportional to 530,352.87, 795,529.31 and 436,661.79 is: 654,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,352.87 : 795,529.31 = 436,661.79 : x
  2. Step 2: Convert to fraction form
    530,352.87/795,529.31 = 436,661.79/x
  3. Step 3: Cross multiply
    530,352.87x = 795,529.31 × 436,661.79
  4. Step 4: Simplify right side
    530,352.87x = 347,377,250,318.76
  5. Step 5: Solve for x
    x = 347,377,250,318.76/530,352.87
  6. Step 6: Final answer
    x = 654,992.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.