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Finding the Fourth Proportional to 633,047.80, 873,616.38 and 346,563.16

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Solution

The fourth proportional to 633,047.80, 873,616.38 and 346,563.16 is: 478,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,047.80 : 873,616.38 = 346,563.16 : x
  2. Step 2: Convert to fraction form
    633,047.80/873,616.38 = 346,563.16/x
  3. Step 3: Cross multiply
    633,047.80x = 873,616.38 × 346,563.16
  4. Step 4: Simplify right side
    633,047.80x = 302,763,253,280.56
  5. Step 5: Solve for x
    x = 302,763,253,280.56/633,047.80
  6. Step 6: Final answer
    x = 478,262.86

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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.