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Finding the Fourth Proportional to 522,060.65, 783,090.98 and 433,491.05

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Solution

The fourth proportional to 522,060.65, 783,090.98 and 433,491.05 is: 650,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,060.65 : 783,090.98 = 433,491.05 : x
  2. Step 2: Convert to fraction form
    522,060.65/783,090.98 = 433,491.05/x
  3. Step 3: Cross multiply
    522,060.65x = 783,090.98 × 433,491.05
  4. Step 4: Simplify right side
    522,060.65x = 339,462,928,998.27
  5. Step 5: Solve for x
    x = 339,462,928,998.27/522,060.65
  6. Step 6: Final answer
    x = 650,236.58

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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.