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Finding the Fourth Proportional to 473,674.35, 653,960.21 and 308,259.93

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Solution

The fourth proportional to 473,674.35, 653,960.21 and 308,259.93 is: 425,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,674.35 : 653,960.21 = 308,259.93 : x
  2. Step 2: Convert to fraction form
    473,674.35/653,960.21 = 308,259.93/x
  3. Step 3: Cross multiply
    473,674.35x = 653,960.21 × 308,259.93
  4. Step 4: Simplify right side
    473,674.35x = 201,589,727,016.09
  5. Step 5: Solve for x
    x = 201,589,727,016.09/473,674.35
  6. Step 6: Final answer
    x = 425,587.17

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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.