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Finding the Fourth Proportional to 277,529.40, 416,294.10 and 151,120.80

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Solution

The fourth proportional to 277,529.40, 416,294.10 and 151,120.80 is: 226,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,529.40 : 416,294.10 = 151,120.80 : x
  2. Step 2: Convert to fraction form
    277,529.40/416,294.10 = 151,120.80/x
  3. Step 3: Cross multiply
    277,529.40x = 416,294.10 × 151,120.80
  4. Step 4: Simplify right side
    277,529.40x = 62,910,697,427.28
  5. Step 5: Solve for x
    x = 62,910,697,427.28/277,529.40
  6. Step 6: Final answer
    x = 226,681.20

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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.