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Finding the Fourth Proportional to 530,672.69, 796,335.37 and 210,768.59

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Solution

The fourth proportional to 530,672.69, 796,335.37 and 210,768.59 is: 316,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,672.69 : 796,335.37 = 210,768.59 : x
  2. Step 2: Convert to fraction form
    530,672.69/796,335.37 = 210,768.59/x
  3. Step 3: Cross multiply
    530,672.69x = 796,335.37 × 210,768.59
  4. Step 4: Simplify right side
    530,672.69x = 167,842,483,102.03
  5. Step 5: Solve for x
    x = 167,842,483,102.03/530,672.69
  6. Step 6: Final answer
    x = 316,282.50

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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.