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Finding the Fourth Proportional to 496,313.21, 684,726.67 and 292,239.38

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Solution

The fourth proportional to 496,313.21, 684,726.67 and 292,239.38 is: 403,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,313.21 : 684,726.67 = 292,239.38 : x
  2. Step 2: Convert to fraction form
    496,313.21/684,726.67 = 292,239.38/x
  3. Step 3: Cross multiply
    496,313.21x = 684,726.67 × 292,239.38
  4. Step 4: Simplify right side
    496,313.21x = 200,104,097,510.27
  5. Step 5: Solve for x
    x = 200,104,097,510.27/496,313.21
  6. Step 6: Final answer
    x = 403,181.08

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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.