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Finding the Fourth Proportional to 351,314.75, 484,880.04 and 200,411.75

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Solution

The fourth proportional to 351,314.75, 484,880.04 and 200,411.75 is: 276,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,314.75 : 484,880.04 = 200,411.75 : x
  2. Step 2: Convert to fraction form
    351,314.75/484,880.04 = 200,411.75/x
  3. Step 3: Cross multiply
    351,314.75x = 484,880.04 × 200,411.75
  4. Step 4: Simplify right side
    351,314.75x = 97,175,657,356.47
  5. Step 5: Solve for x
    x = 97,175,657,356.47/351,314.75
  6. Step 6: Final answer
    x = 276,605.69

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1.5x scale

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.