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Finding the Fourth Proportional to 224,300.40, 309,522.22 and 127,490.80

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Solution

The fourth proportional to 224,300.40, 309,522.22 and 127,490.80 is: 175,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,300.40 : 309,522.22 = 127,490.80 : x
  2. Step 2: Convert to fraction form
    224,300.40/309,522.22 = 127,490.80/x
  3. Step 3: Cross multiply
    224,300.40x = 309,522.22 × 127,490.80
  4. Step 4: Simplify right side
    224,300.40x = 39,461,234,933.40
  5. Step 5: Solve for x
    x = 39,461,234,933.40/224,300.40
  6. Step 6: Final answer
    x = 175,930.29

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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.