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Finding the Fourth Proportional to 323,143.80, 484,715.70 and 183,175.80

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Solution

The fourth proportional to 323,143.80, 484,715.70 and 183,175.80 is: 274,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,143.80 : 484,715.70 = 183,175.80 : x
  2. Step 2: Convert to fraction form
    323,143.80/484,715.70 = 183,175.80/x
  3. Step 3: Cross multiply
    323,143.80x = 484,715.70 × 183,175.80
  4. Step 4: Simplify right side
    323,143.80x = 88,788,186,120.06
  5. Step 5: Solve for x
    x = 88,788,186,120.06/323,143.80
  6. Step 6: Final answer
    x = 274,763.70

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1.5x scale

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.