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Finding the Fourth Proportional to 633,045.61, 873,463.28 and 374,794.32

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Solution

The fourth proportional to 633,045.61, 873,463.28 and 374,794.32 is: 517,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,045.61 : 873,463.28 = 374,794.32 : x
  2. Step 2: Convert to fraction form
    633,045.61/873,463.28 = 374,794.32/x
  3. Step 3: Cross multiply
    633,045.61x = 873,463.28 × 374,794.32
  4. Step 4: Simplify right side
    633,045.61x = 327,369,076,072.57
  5. Step 5: Solve for x
    x = 327,369,076,072.57/633,045.61
  6. Step 6: Final answer
    x = 517,133.47

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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.