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Finding the Fourth Proportional to 536,755.36, 740,887.44 and 345,768.16

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Solution

The fourth proportional to 536,755.36, 740,887.44 and 345,768.16 is: 477,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,755.36 : 740,887.44 = 345,768.16 : x
  2. Step 2: Convert to fraction form
    536,755.36/740,887.44 = 345,768.16/x
  3. Step 3: Cross multiply
    536,755.36x = 740,887.44 × 345,768.16
  4. Step 4: Simplify right side
    536,755.36x = 256,175,286,895.91
  5. Step 5: Solve for x
    x = 256,175,286,895.91/536,755.36
  6. Step 6: Final answer
    x = 477,266.38

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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.