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Finding the Fourth Proportional to 1,037,178, 1,555,767 and 336,762

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Solution

The fourth proportional to 1,037,178, 1,555,767 and 336,762 is: 505,143

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,178 : 1,555,767 = 336,762 : x
  2. Step 2: Convert to fraction form
    1,037,178/1,555,767 = 336,762/x
  3. Step 3: Cross multiply
    1,037,178x = 1,555,767 × 336,762
  4. Step 4: Simplify right side
    1,037,178x = 523,923,206,454
  5. Step 5: Solve for x
    x = 523,923,206,454/1,037,178
  6. Step 6: Final answer
    x = 505,143

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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.