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Finding the Fourth Proportional to 365,093.40, 547,640.10 and 307,356.60

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Solution

The fourth proportional to 365,093.40, 547,640.10 and 307,356.60 is: 461,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,093.40 : 547,640.10 = 307,356.60 : x
  2. Step 2: Convert to fraction form
    365,093.40/547,640.10 = 307,356.60/x
  3. Step 3: Cross multiply
    365,093.40x = 547,640.10 × 307,356.60
  4. Step 4: Simplify right side
    365,093.40x = 168,320,799,159.66
  5. Step 5: Solve for x
    x = 168,320,799,159.66/365,093.40
  6. Step 6: Final answer
    x = 461,034.90

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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.