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Finding the Fourth Proportional to 356,381.52, 534,460.50 and 116,440.74

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Solution

The fourth proportional to 356,381.52, 534,460.50 and 116,440.74 is: 174,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,381.52 : 534,460.50 = 116,440.74 : x
  2. Step 2: Convert to fraction form
    356,381.52/534,460.50 = 116,440.74/x
  3. Step 3: Cross multiply
    356,381.52x = 534,460.50 × 116,440.74
  4. Step 4: Simplify right side
    356,381.52x = 62,232,976,120.77
  5. Step 5: Solve for x
    x = 62,232,976,120.77/356,381.52
  6. Step 6: Final answer
    x = 174,624.59

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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.