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Finding the Fourth Proportional to 356,460.42, 534,690.63 and 119,803.10

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Solution

The fourth proportional to 356,460.42, 534,690.63 and 119,803.10 is: 179,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,460.42 : 534,690.63 = 119,803.10 : x
  2. Step 2: Convert to fraction form
    356,460.42/534,690.63 = 119,803.10/x
  3. Step 3: Cross multiply
    356,460.42x = 534,690.63 × 119,803.10
  4. Step 4: Simplify right side
    356,460.42x = 64,057,595,014.95
  5. Step 5: Solve for x
    x = 64,057,595,014.95/356,460.42
  6. Step 6: Final answer
    x = 179,704.65

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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.