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Finding the Fourth Proportional to 672,424.54, 927,939.94 and 366,500.93

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Solution

The fourth proportional to 672,424.54, 927,939.94 and 366,500.93 is: 505,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,424.54 : 927,939.94 = 366,500.93 : x
  2. Step 2: Convert to fraction form
    672,424.54/927,939.94 = 366,500.93/x
  3. Step 3: Cross multiply
    672,424.54x = 927,939.94 × 366,500.93
  4. Step 4: Simplify right side
    672,424.54x = 340,090,845,438.19
  5. Step 5: Solve for x
    x = 340,090,845,438.19/672,424.54
  6. Step 6: Final answer
    x = 505,768.05

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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.