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Finding the Fourth Proportional to 524,189.22, 785,131.30 and 433,200.72

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Solution

The fourth proportional to 524,189.22, 785,131.30 and 433,200.72 is: 648,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,189.22 : 785,131.30 = 433,200.72 : x
  2. Step 2: Convert to fraction form
    524,189.22/785,131.30 = 433,200.72/x
  3. Step 3: Cross multiply
    524,189.22x = 785,131.30 × 433,200.72
  4. Step 4: Simplify right side
    524,189.22x = 340,119,444,454.54
  5. Step 5: Solve for x
    x = 340,119,444,454.54/524,189.22
  6. Step 6: Final answer
    x = 648,848.61

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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.