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Finding the Fourth Proportional to 495,396.41, 684,896.45 and 366,131.03

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Solution

The fourth proportional to 495,396.41, 684,896.45 and 366,131.03 is: 506,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,396.41 : 684,896.45 = 366,131.03 : x
  2. Step 2: Convert to fraction form
    495,396.41/684,896.45 = 366,131.03/x
  3. Step 3: Cross multiply
    495,396.41x = 684,896.45 × 366,131.03
  4. Step 4: Simplify right side
    495,396.41x = 250,761,837,426.71
  5. Step 5: Solve for x
    x = 250,761,837,426.71/495,396.41
  6. Step 6: Final answer
    x = 506,184.21

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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.