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Finding the Fourth Proportional to 524,188.72, 785,130.55 and 433,200.22

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Solution

The fourth proportional to 524,188.72, 785,130.55 and 433,200.22 is: 648,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,188.72 : 785,130.55 = 433,200.22 : x
  2. Step 2: Convert to fraction form
    524,188.72/785,130.55 = 433,200.22/x
  3. Step 3: Cross multiply
    524,188.72x = 785,130.55 × 433,200.22
  4. Step 4: Simplify right side
    524,188.72x = 340,118,727,122.01
  5. Step 5: Solve for x
    x = 340,118,727,122.01/524,188.72
  6. Step 6: Final answer
    x = 648,847.85

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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.