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Finding the Fourth Proportional to 314,821.80, 472,232.70 and 202,847.40

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Solution

The fourth proportional to 314,821.80, 472,232.70 and 202,847.40 is: 304,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,821.80 : 472,232.70 = 202,847.40 : x
  2. Step 2: Convert to fraction form
    314,821.80/472,232.70 = 202,847.40/x
  3. Step 3: Cross multiply
    314,821.80x = 472,232.70 × 202,847.40
  4. Step 4: Simplify right side
    314,821.80x = 95,791,175,389.98
  5. Step 5: Solve for x
    x = 95,791,175,389.98/314,821.80
  6. Step 6: Final answer
    x = 304,271.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.