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Finding the Fourth Proportional to 403,333.80, 605,000.70 and 277,362.60

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Solution

The fourth proportional to 403,333.80, 605,000.70 and 277,362.60 is: 416,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,333.80 : 605,000.70 = 277,362.60 : x
  2. Step 2: Convert to fraction form
    403,333.80/605,000.70 = 277,362.60/x
  3. Step 3: Cross multiply
    403,333.80x = 605,000.70 × 277,362.60
  4. Step 4: Simplify right side
    403,333.80x = 167,804,567,153.82
  5. Step 5: Solve for x
    x = 167,804,567,153.82/403,333.80
  6. Step 6: Final answer
    x = 416,043.90

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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.