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Finding the Fourth Proportional to 473,487.94, 653,219.92 and 349,605.81

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Solution

The fourth proportional to 473,487.94, 653,219.92 and 349,605.81 is: 482,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,487.94 : 653,219.92 = 349,605.81 : x
  2. Step 2: Convert to fraction form
    473,487.94/653,219.92 = 349,605.81/x
  3. Step 3: Cross multiply
    473,487.94x = 653,219.92 × 349,605.81
  4. Step 4: Simplify right side
    473,487.94x = 228,369,480,530.66
  5. Step 5: Solve for x
    x = 228,369,480,530.66/473,487.94
  6. Step 6: Final answer
    x = 482,313.19

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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.