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Finding the Fourth Proportional to 475,530.51, 656,443.13 and 303,673.62

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Solution

The fourth proportional to 475,530.51, 656,443.13 and 303,673.62 is: 419,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,530.51 : 656,443.13 = 303,673.62 : x
  2. Step 2: Convert to fraction form
    475,530.51/656,443.13 = 303,673.62/x
  3. Step 3: Cross multiply
    475,530.51x = 656,443.13 × 303,673.62
  4. Step 4: Simplify right side
    475,530.51x = 199,344,460,092.86
  5. Step 5: Solve for x
    x = 199,344,460,092.86/475,530.51
  6. Step 6: Final answer
    x = 419,204.35

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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.