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Finding the Fourth Proportional to 356,495.08, 534,758.70 and 116,622.64

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Solution

The fourth proportional to 356,495.08, 534,758.70 and 116,622.64 is: 174,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,495.08 : 534,758.70 = 116,622.64 : x
  2. Step 2: Convert to fraction form
    356,495.08/534,758.70 = 116,622.64/x
  3. Step 3: Cross multiply
    356,495.08x = 534,758.70 × 116,622.64
  4. Step 4: Simplify right side
    356,495.08x = 62,364,971,356.97
  5. Step 5: Solve for x
    x = 62,364,971,356.97/356,495.08
  6. Step 6: Final answer
    x = 174,939.22

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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.