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Finding the Fourth Proportional to 506,936.73, 699,401.85 and 292,071.45

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Solution

The fourth proportional to 506,936.73, 699,401.85 and 292,071.45 is: 402,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,936.73 : 699,401.85 = 292,071.45 : x
  2. Step 2: Convert to fraction form
    506,936.73/699,401.85 = 292,071.45/x
  3. Step 3: Cross multiply
    506,936.73x = 699,401.85 × 292,071.45
  4. Step 4: Simplify right side
    506,936.73x = 204,275,312,462.18
  5. Step 5: Solve for x
    x = 204,275,312,462.18/506,936.73
  6. Step 6: Final answer
    x = 402,960.17

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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.