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Finding the Fourth Proportional to 672,193.08, 927,614.53 and 366,271.57

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Solution

The fourth proportional to 672,193.08, 927,614.53 and 366,271.57 is: 505,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,193.08 : 927,614.53 = 366,271.57 : x
  2. Step 2: Convert to fraction form
    672,193.08/927,614.53 = 366,271.57/x
  3. Step 3: Cross multiply
    672,193.08x = 927,614.53 × 366,271.57
  4. Step 4: Simplify right side
    672,193.08x = 339,758,831,875.27
  5. Step 5: Solve for x
    x = 339,758,831,875.27/672,193.08
  6. Step 6: Final answer
    x = 505,448.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.