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Finding the Fourth Proportional to 633,084.52, 873,623.46 and 346,549.72

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Solution

The fourth proportional to 633,084.52, 873,623.46 and 346,549.72 is: 478,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,084.52 : 873,623.46 = 346,549.72 : x
  2. Step 2: Convert to fraction form
    633,084.52/873,623.46 = 346,549.72/x
  3. Step 3: Cross multiply
    633,084.52x = 873,623.46 × 346,549.72
  4. Step 4: Simplify right side
    633,084.52x = 302,753,965,448.43
  5. Step 5: Solve for x
    x = 302,753,965,448.43/633,084.52
  6. Step 6: Final answer
    x = 478,220.45

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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.